Home / 20,103,782.20-30,155,673.30-16,755,703.90

Finding the Fourth Proportional to 20,103,782.20, 30,155,673.30 and 16,755,703.90

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Solution

The fourth proportional to 20,103,782.20, 30,155,673.30 and 16,755,703.90 is: 25,133,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103,782.20 : 30,155,673.30 = 16,755,703.90 : x
  2. Step 2: Convert to fraction form
    20,103,782.20/30,155,673.30 = 16,755,703.90/x
  3. Step 3: Cross multiply
    20,103,782.20x = 30,155,673.30 × 16,755,703.90
  4. Step 4: Simplify right side
    20,103,782.20x = 505,279,532,719,935.88
  5. Step 5: Solve for x
    x = 505,279,532,719,935.88/20,103,782.20
  6. Step 6: Final answer
    x = 25,133,555.85

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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.