Home / 20,488,247.85-30,732,371.78-19,543,463.85

Finding the Fourth Proportional to 20,488,247.85, 30,732,371.78 and 19,543,463.85

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Solution

The fourth proportional to 20,488,247.85, 30,732,371.78 and 19,543,463.85 is: 29,315,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488,247.85 : 30,732,371.78 = 19,543,463.85 : x
  2. Step 2: Convert to fraction form
    20,488,247.85/30,732,371.78 = 19,543,463.85/x
  3. Step 3: Cross multiply
    20,488,247.85x = 30,732,371.78 × 19,543,463.85
  4. Step 4: Simplify right side
    20,488,247.85x = 600,616,996,809,472.88
  5. Step 5: Solve for x
    x = 600,616,996,809,472.88/20,488,247.85
  6. Step 6: Final answer
    x = 29,315,195.78

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1.5x scale

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.