Home / 20,741,679.90-31,140,513.45-16,486,652.70

Finding the Fourth Proportional to 20,741,679.90, 31,140,513.45 and 16,486,652.70

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Solution

The fourth proportional to 20,741,679.90, 31,140,513.45 and 16,486,652.70 is: 24,752,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,679.90 : 31,140,513.45 = 16,486,652.70 : x
  2. Step 2: Convert to fraction form
    20,741,679.90/31,140,513.45 = 16,486,652.70/x
  3. Step 3: Cross multiply
    20,741,679.90x = 31,140,513.45 × 16,486,652.70
  4. Step 4: Simplify right side
    20,741,679.90x = 513,402,830,149,828.75
  5. Step 5: Solve for x
    x = 513,402,830,149,828.75/20,741,679.90
  6. Step 6: Final answer
    x = 24,752,229.94

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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.