Home / 21,422,939.52-29,564,337.60-11,765,147.52

Finding the Fourth Proportional to 21,422,939.52, 29,564,337.60 and 11,765,147.52

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Solution

The fourth proportional to 21,422,939.52, 29,564,337.60 and 11,765,147.52 is: 16,236,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422,939.52 : 29,564,337.60 = 11,765,147.52 : x
  2. Step 2: Convert to fraction form
    21,422,939.52/29,564,337.60 = 11,765,147.52/x
  3. Step 3: Cross multiply
    21,422,939.52x = 29,564,337.60 × 11,765,147.52
  4. Step 4: Simplify right side
    21,422,939.52x = 347,828,793,195,082.75
  5. Step 5: Solve for x
    x = 347,828,793,195,082.75/21,422,939.52
  6. Step 6: Final answer
    x = 16,236,277.61

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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.