Home / 20,732,613.06-31,098,919.60-13,193,003.46

Finding the Fourth Proportional to 20,732,613.06, 31,098,919.60 and 13,193,003.46

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Solution

The fourth proportional to 20,732,613.06, 31,098,919.60 and 13,193,003.46 is: 19,789,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,613.06 : 31,098,919.60 = 13,193,003.46 : x
  2. Step 2: Convert to fraction form
    20,732,613.06/31,098,919.60 = 13,193,003.46/x
  3. Step 3: Cross multiply
    20,732,613.06x = 31,098,919.60 × 13,193,003.46
  4. Step 4: Simplify right side
    20,732,613.06x = 410,288,153,885,061.88
  5. Step 5: Solve for x
    x = 410,288,153,885,061.88/20,732,613.06
  6. Step 6: Final answer
    x = 19,789,505.20

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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.