Home / 7,831,280.10-11,746,920.15-7,299,839.10

Finding the Fourth Proportional to 7,831,280.10, 11,746,920.15 and 7,299,839.10

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Solution

The fourth proportional to 7,831,280.10, 11,746,920.15 and 7,299,839.10 is: 10,949,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,280.10 : 11,746,920.15 = 7,299,839.10 : x
  2. Step 2: Convert to fraction form
    7,831,280.10/11,746,920.15 = 7,299,839.10/x
  3. Step 3: Cross multiply
    7,831,280.10x = 11,746,920.15 × 7,299,839.10
  4. Step 4: Simplify right side
    7,831,280.10x = 85,750,627,015,547.86
  5. Step 5: Solve for x
    x = 85,750,627,015,547.86/7,831,280.10
  6. Step 6: Final answer
    x = 10,949,758.65

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Double scale
Find fourth proportional to 7,831,281.10, 11,746,921.65 and 7,299,840.10
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.