Home / 20,098,191.42-30,147,473.70-5,721,258.69

Finding the Fourth Proportional to 20,098,191.42, 30,147,473.70 and 5,721,258.69

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Solution

The fourth proportional to 20,098,191.42, 30,147,473.70 and 5,721,258.69 is: 8,581,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098,191.42 : 30,147,473.70 = 5,721,258.69 : x
  2. Step 2: Convert to fraction form
    20,098,191.42/30,147,473.70 = 5,721,258.69/x
  3. Step 3: Cross multiply
    20,098,191.42x = 30,147,473.70 × 5,721,258.69
  4. Step 4: Simplify right side
    20,098,191.42x = 172,481,495,887,671.47
  5. Step 5: Solve for x
    x = 172,481,495,887,671.47/20,098,191.42
  6. Step 6: Final answer
    x = 8,581,941.15

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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.