Home / 10,638,472.30-15,957,708.45-6,333,800.20

Finding the Fourth Proportional to 10,638,472.30, 15,957,708.45 and 6,333,800.20

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Solution

The fourth proportional to 10,638,472.30, 15,957,708.45 and 6,333,800.20 is: 9,500,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,472.30 : 15,957,708.45 = 6,333,800.20 : x
  2. Step 2: Convert to fraction form
    10,638,472.30/15,957,708.45 = 6,333,800.20/x
  3. Step 3: Cross multiply
    10,638,472.30x = 15,957,708.45 × 6,333,800.20
  4. Step 4: Simplify right side
    10,638,472.30x = 101,072,936,972,151.69
  5. Step 5: Solve for x
    x = 101,072,936,972,151.69/10,638,472.30
  6. Step 6: Final answer
    x = 9,500,700.30

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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.