Home / 21,761,821.41-32,642,726.05-14,917,644.98

Finding the Fourth Proportional to 21,761,821.41, 32,642,726.05 and 14,917,644.98

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Solution

The fourth proportional to 21,761,821.41, 32,642,726.05 and 14,917,644.98 is: 22,376,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,821.41 : 32,642,726.05 = 14,917,644.98 : x
  2. Step 2: Convert to fraction form
    21,761,821.41/32,642,726.05 = 14,917,644.98/x
  3. Step 3: Cross multiply
    21,761,821.41x = 32,642,726.05 × 14,917,644.98
  4. Step 4: Simplify right side
    21,761,821.41x = 486,952,598,375,406.94
  5. Step 5: Solve for x
    x = 486,952,598,375,406.94/21,761,821.41
  6. Step 6: Final answer
    x = 22,376,463.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.