Home / 10,368,921.10-15,553,381.65-9,770,557.90

Finding the Fourth Proportional to 10,368,921.10, 15,553,381.65 and 9,770,557.90

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Solution

The fourth proportional to 10,368,921.10, 15,553,381.65 and 9,770,557.90 is: 14,655,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,921.10 : 15,553,381.65 = 9,770,557.90 : x
  2. Step 2: Convert to fraction form
    10,368,921.10/15,553,381.65 = 9,770,557.90/x
  3. Step 3: Cross multiply
    10,368,921.10x = 15,553,381.65 × 9,770,557.90
  4. Step 4: Simplify right side
    10,368,921.10x = 151,965,215,952,122.53
  5. Step 5: Solve for x
    x = 151,965,215,952,122.53/10,368,921.10
  6. Step 6: Final answer
    x = 14,655,836.85

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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.