Home / 20,294,487.76-30,438,491.14-5,914,191.85

Finding the Fourth Proportional to 20,294,487.76, 30,438,491.14 and 5,914,191.85

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Solution

The fourth proportional to 20,294,487.76, 30,438,491.14 and 5,914,191.85 is: 8,870,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294,487.76 : 30,438,491.14 = 5,914,191.85 : x
  2. Step 2: Convert to fraction form
    20,294,487.76/30,438,491.14 = 5,914,191.85/x
  3. Step 3: Cross multiply
    20,294,487.76x = 30,438,491.14 × 5,914,191.85
  4. Step 4: Simplify right side
    20,294,487.76x = 180,019,076,044,721.78
  5. Step 5: Solve for x
    x = 180,019,076,044,721.78/20,294,487.76
  6. Step 6: Final answer
    x = 8,870,343.42

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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.