Home / 20,103,554.20-30,155,331.30-16,755,475.90

Finding the Fourth Proportional to 20,103,554.20, 30,155,331.30 and 16,755,475.90

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Solution

The fourth proportional to 20,103,554.20, 30,155,331.30 and 16,755,475.90 is: 25,133,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103,554.20 : 30,155,331.30 = 16,755,475.90 : x
  2. Step 2: Convert to fraction form
    20,103,554.20/30,155,331.30 = 16,755,475.90/x
  3. Step 3: Cross multiply
    20,103,554.20x = 30,155,331.30 × 16,755,475.90
  4. Step 4: Simplify right side
    20,103,554.20x = 505,266,926,853,665.69
  5. Step 5: Solve for x
    x = 505,266,926,853,665.69/20,103,554.20
  6. Step 6: Final answer
    x = 25,133,213.85

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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.