Home / 12,810,938.70-19,188,414.45-9,948,593.10

Finding the Fourth Proportional to 12,810,938.70, 19,188,414.45 and 9,948,593.10

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Solution

The fourth proportional to 12,810,938.70, 19,188,414.45 and 9,948,593.10 is: 14,901,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810,938.70 : 19,188,414.45 = 9,948,593.10 : x
  2. Step 2: Convert to fraction form
    12,810,938.70/19,188,414.45 = 9,948,593.10/x
  3. Step 3: Cross multiply
    12,810,938.70x = 19,188,414.45 × 9,948,593.10
  4. Step 4: Simplify right side
    12,810,938.70x = 190,897,727,597,210.28
  5. Step 5: Solve for x
    x = 190,897,727,597,210.28/12,810,938.70
  6. Step 6: Final answer
    x = 14,901,150.65

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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.