Home / 20,741,742.40-31,140,607.20-16,486,715.20

Finding the Fourth Proportional to 20,741,742.40, 31,140,607.20 and 16,486,715.20

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Solution

The fourth proportional to 20,741,742.40, 31,140,607.20 and 16,486,715.20 is: 24,752,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,742.40 : 31,140,607.20 = 16,486,715.20 : x
  2. Step 2: Convert to fraction form
    20,741,742.40/31,140,607.20 = 16,486,715.20/x
  3. Step 3: Cross multiply
    20,741,742.40x = 31,140,607.20 × 16,486,715.20
  4. Step 4: Simplify right side
    20,741,742.40x = 513,406,322,061,469.38
  5. Step 5: Solve for x
    x = 513,406,322,061,469.38/20,741,742.40
  6. Step 6: Final answer
    x = 24,752,323.70

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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.