Home / 18,695,906.20-28,059,605.70-7,344,501.40

Finding the Fourth Proportional to 18,695,906.20, 28,059,605.70 and 7,344,501.40

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Solution

The fourth proportional to 18,695,906.20, 28,059,605.70 and 7,344,501.40 is: 11,022,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,906.20 : 28,059,605.70 = 7,344,501.40 : x
  2. Step 2: Convert to fraction form
    18,695,906.20/28,059,605.70 = 7,344,501.40/x
  3. Step 3: Cross multiply
    18,695,906.20x = 28,059,605.70 × 7,344,501.40
  4. Step 4: Simplify right side
    18,695,906.20x = 206,083,813,347,098
  5. Step 5: Solve for x
    x = 206,083,813,347,098/18,695,906.20
  6. Step 6: Final answer
    x = 11,022,937.92

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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.