Home / 40,120,915.23-55,372,711.59-22,481,010.63

Finding the Fourth Proportional to 40,120,915.23, 55,372,711.59 and 22,481,010.63

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Solution

The fourth proportional to 40,120,915.23, 55,372,711.59 and 22,481,010.63 is: 31,027,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120,915.23 : 55,372,711.59 = 22,481,010.63 : x
  2. Step 2: Convert to fraction form
    40,120,915.23/55,372,711.59 = 22,481,010.63/x
  3. Step 3: Cross multiply
    40,120,915.23x = 55,372,711.59 × 22,481,010.63
  4. Step 4: Simplify right side
    40,120,915.23x = 1,244,834,517,866,714.25
  5. Step 5: Solve for x
    x = 1,244,834,517,866,714.25/40,120,915.23
  6. Step 6: Final answer
    x = 31,027,071.81

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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.