Home / 7,129,744.40-9,838,781.60-4,227,398.57

Finding the Fourth Proportional to 7,129,744.40, 9,838,781.60 and 4,227,398.57

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Solution

The fourth proportional to 7,129,744.40, 9,838,781.60 and 4,227,398.57 is: 5,833,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,744.40 : 9,838,781.60 = 4,227,398.57 : x
  2. Step 2: Convert to fraction form
    7,129,744.40/9,838,781.60 = 4,227,398.57/x
  3. Step 3: Cross multiply
    7,129,744.40x = 9,838,781.60 × 4,227,398.57
  4. Step 4: Simplify right side
    7,129,744.40x = 41,592,451,269,842.27
  5. Step 5: Solve for x
    x = 41,592,451,269,842.27/7,129,744.40
  6. Step 6: Final answer
    x = 5,833,652.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.