Home / 7,831,218.10-11,746,827.15-7,299,777.10

Finding the Fourth Proportional to 7,831,218.10, 11,746,827.15 and 7,299,777.10

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Solution

The fourth proportional to 7,831,218.10, 11,746,827.15 and 7,299,777.10 is: 10,949,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,218.10 : 11,746,827.15 = 7,299,777.10 : x
  2. Step 2: Convert to fraction form
    7,831,218.10/11,746,827.15 = 7,299,777.10/x
  3. Step 3: Cross multiply
    7,831,218.10x = 11,746,827.15 × 7,299,777.10
  4. Step 4: Simplify right side
    7,831,218.10x = 85,749,219,827,228.27
  5. Step 5: Solve for x
    x = 85,749,219,827,228.27/7,831,218.10
  6. Step 6: Final answer
    x = 10,949,665.65

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Half scale
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Double scale
Find fourth proportional to 7,831,219.10, 11,746,828.65 and 7,299,778.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.