Home / 20,735,003.70-31,087,748.43-7,944,693.30

Finding the Fourth Proportional to 20,735,003.70, 31,087,748.43 and 7,944,693.30

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Solution

The fourth proportional to 20,735,003.70, 31,087,748.43 and 7,944,693.30 is: 11,911,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,003.70 : 31,087,748.43 = 7,944,693.30 : x
  2. Step 2: Convert to fraction form
    20,735,003.70/31,087,748.43 = 7,944,693.30/x
  3. Step 3: Cross multiply
    20,735,003.70x = 31,087,748.43 × 7,944,693.30
  4. Step 4: Simplify right side
    20,735,003.70x = 246,982,626,663,906.50
  5. Step 5: Solve for x
    x = 246,982,626,663,906.50/20,735,003.70
  6. Step 6: Final answer
    x = 11,911,385.70

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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.