Home / 15,293,003.52-21,104,177.76-8,417,337.60

Finding the Fourth Proportional to 15,293,003.52, 21,104,177.76 and 8,417,337.60

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Solution

The fourth proportional to 15,293,003.52, 21,104,177.76 and 8,417,337.60 is: 11,615,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293,003.52 : 21,104,177.76 = 8,417,337.60 : x
  2. Step 2: Convert to fraction form
    15,293,003.52/21,104,177.76 = 8,417,337.60/x
  3. Step 3: Cross multiply
    15,293,003.52x = 21,104,177.76 × 8,417,337.60
  4. Step 4: Simplify right side
    15,293,003.52x = 177,640,988,976,331.78
  5. Step 5: Solve for x
    x = 177,640,988,976,331.78/15,293,003.52
  6. Step 6: Final answer
    x = 11,615,833.92

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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.