Home / 21,649,201.82-29,868,869.05-14,761,726.46

Finding the Fourth Proportional to 21,649,201.82, 29,868,869.05 and 14,761,726.46

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Solution

The fourth proportional to 21,649,201.82, 29,868,869.05 and 14,761,726.46 is: 20,366,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,201.82 : 29,868,869.05 = 14,761,726.46 : x
  2. Step 2: Convert to fraction form
    21,649,201.82/29,868,869.05 = 14,761,726.46/x
  3. Step 3: Cross multiply
    21,649,201.82x = 29,868,869.05 × 14,761,726.46
  4. Step 4: Simplify right side
    21,649,201.82x = 440,916,074,437,179.25
  5. Step 5: Solve for x
    x = 440,916,074,437,179.25/21,649,201.82
  6. Step 6: Final answer
    x = 20,366,389.40

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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.