Home / 10,207,400.70-15,311,101.05-9,427,953.90

Finding the Fourth Proportional to 10,207,400.70, 15,311,101.05 and 9,427,953.90

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Solution

The fourth proportional to 10,207,400.70, 15,311,101.05 and 9,427,953.90 is: 14,141,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,400.70 : 15,311,101.05 = 9,427,953.90 : x
  2. Step 2: Convert to fraction form
    10,207,400.70/15,311,101.05 = 9,427,953.90/x
  3. Step 3: Cross multiply
    10,207,400.70x = 15,311,101.05 × 9,427,953.90
  4. Step 4: Simplify right side
    10,207,400.70x = 144,352,354,857,641.59
  5. Step 5: Solve for x
    x = 144,352,354,857,641.59/10,207,400.70
  6. Step 6: Final answer
    x = 14,141,930.85

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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.