Home / 38,906,856.20-53,691,368.90-22,161,593.16

Finding the Fourth Proportional to 38,906,856.20, 53,691,368.90 and 22,161,593.16

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Solution

The fourth proportional to 38,906,856.20, 53,691,368.90 and 22,161,593.16 is: 30,582,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906,856.20 : 53,691,368.90 = 22,161,593.16 : x
  2. Step 2: Convert to fraction form
    38,906,856.20/53,691,368.90 = 22,161,593.16/x
  3. Step 3: Cross multiply
    38,906,856.20x = 53,691,368.90 × 22,161,593.16
  4. Step 4: Simplify right side
    38,906,856.20x = 1,189,886,273,654,468.75
  5. Step 5: Solve for x
    x = 1,189,886,273,654,468.75/38,906,856.20
  6. Step 6: Final answer
    x = 30,582,945.78

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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.