Home / 10,367,998.80-15,551,998.20-7,848,574.80

Finding the Fourth Proportional to 10,367,998.80, 15,551,998.20 and 7,848,574.80

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Solution

The fourth proportional to 10,367,998.80, 15,551,998.20 and 7,848,574.80 is: 11,772,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,998.80 : 15,551,998.20 = 7,848,574.80 : x
  2. Step 2: Convert to fraction form
    10,367,998.80/15,551,998.20 = 7,848,574.80/x
  3. Step 3: Cross multiply
    10,367,998.80x = 15,551,998.20 × 7,848,574.80
  4. Step 4: Simplify right side
    10,367,998.80x = 122,061,021,162,165.34
  5. Step 5: Solve for x
    x = 122,061,021,162,165.34/10,367,998.80
  6. Step 6: Final answer
    x = 11,772,862.20

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Double scale
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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.