Home / 21,581,393.33-29,782,531.98-11,791,836.61

Finding the Fourth Proportional to 21,581,393.33, 29,782,531.98 and 11,791,836.61

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Solution

The fourth proportional to 21,581,393.33, 29,782,531.98 and 11,791,836.61 is: 16,272,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,393.33 : 29,782,531.98 = 11,791,836.61 : x
  2. Step 2: Convert to fraction form
    21,581,393.33/29,782,531.98 = 11,791,836.61/x
  3. Step 3: Cross multiply
    21,581,393.33x = 29,782,531.98 × 11,791,836.61
  4. Step 4: Simplify right side
    21,581,393.33x = 351,190,750,865,803.44
  5. Step 5: Solve for x
    x = 351,190,750,865,803.44/21,581,393.33
  6. Step 6: Final answer
    x = 16,272,848.81

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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.