Home / 20,741,674.40-31,140,505.20-16,486,647.20

Finding the Fourth Proportional to 20,741,674.40, 31,140,505.20 and 16,486,647.20

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Solution

The fourth proportional to 20,741,674.40, 31,140,505.20 and 16,486,647.20 is: 24,752,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,674.40 : 31,140,505.20 = 16,486,647.20 : x
  2. Step 2: Convert to fraction form
    20,741,674.40/31,140,505.20 = 16,486,647.20/x
  3. Step 3: Cross multiply
    20,741,674.40x = 31,140,505.20 × 16,486,647.20
  4. Step 4: Simplify right side
    20,741,674.40x = 513,402,522,862,165.38
  5. Step 5: Solve for x
    x = 513,402,522,862,165.38/20,741,674.40
  6. Step 6: Final answer
    x = 24,752,221.68

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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.