Home / 20,103,555.20-30,155,332.80-16,755,476.90

Finding the Fourth Proportional to 20,103,555.20, 30,155,332.80 and 16,755,476.90

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Solution

The fourth proportional to 20,103,555.20, 30,155,332.80 and 16,755,476.90 is: 25,133,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103,555.20 : 30,155,332.80 = 16,755,476.90 : x
  2. Step 2: Convert to fraction form
    20,103,555.20/30,155,332.80 = 16,755,476.90/x
  3. Step 3: Cross multiply
    20,103,555.20x = 30,155,332.80 × 16,755,476.90
  4. Step 4: Simplify right side
    20,103,555.20x = 505,266,982,142,212.31
  5. Step 5: Solve for x
    x = 505,266,982,142,212.31/20,103,555.20
  6. Step 6: Final answer
    x = 25,133,215.35

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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.