Home / 21,152,380.28-29,179,540.41-13,814,508.68

Finding the Fourth Proportional to 21,152,380.28, 29,179,540.41 and 13,814,508.68

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Solution

The fourth proportional to 21,152,380.28, 29,179,540.41 and 13,814,508.68 is: 19,057,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,380.28 : 29,179,540.41 = 13,814,508.68 : x
  2. Step 2: Convert to fraction form
    21,152,380.28/29,179,540.41 = 13,814,508.68/x
  3. Step 3: Cross multiply
    21,152,380.28x = 29,179,540.41 × 13,814,508.68
  4. Step 4: Simplify right side
    21,152,380.28x = 403,101,014,126,458.06
  5. Step 5: Solve for x
    x = 403,101,014,126,458.06/21,152,380.28
  6. Step 6: Final answer
    x = 19,057,004.88

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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.