Home / 20,160,996.70-30,241,495.05-12,098,839.90

Finding the Fourth Proportional to 20,160,996.70, 30,241,495.05 and 12,098,839.90

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Solution

The fourth proportional to 20,160,996.70, 30,241,495.05 and 12,098,839.90 is: 18,148,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,996.70 : 30,241,495.05 = 12,098,839.90 : x
  2. Step 2: Convert to fraction form
    20,160,996.70/30,241,495.05 = 12,098,839.90/x
  3. Step 3: Cross multiply
    20,160,996.70x = 30,241,495.05 × 12,098,839.90
  4. Step 4: Simplify right side
    20,160,996.70x = 365,887,006,946,592.50
  5. Step 5: Solve for x
    x = 365,887,006,946,592.50/20,160,996.70
  6. Step 6: Final answer
    x = 18,148,259.85

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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.