Home / 10,871,132.70-16,306,699.05-7,287,951.90

Finding the Fourth Proportional to 10,871,132.70, 16,306,699.05 and 7,287,951.90

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Solution

The fourth proportional to 10,871,132.70, 16,306,699.05 and 7,287,951.90 is: 10,931,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,132.70 : 16,306,699.05 = 7,287,951.90 : x
  2. Step 2: Convert to fraction form
    10,871,132.70/16,306,699.05 = 7,287,951.90/x
  3. Step 3: Cross multiply
    10,871,132.70x = 16,306,699.05 × 7,287,951.90
  4. Step 4: Simplify right side
    10,871,132.70x = 118,842,438,324,175.70
  5. Step 5: Solve for x
    x = 118,842,438,324,175.70/10,871,132.70
  6. Step 6: Final answer
    x = 10,931,927.85

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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.