Home / 40,127,915.26-55,376,848.48-21,793,331.98

Finding the Fourth Proportional to 40,127,915.26, 55,376,848.48 and 21,793,331.98

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Solution

The fourth proportional to 40,127,915.26, 55,376,848.48 and 21,793,331.98 is: 30,074,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127,915.26 : 55,376,848.48 = 21,793,331.98 : x
  2. Step 2: Convert to fraction form
    40,127,915.26/55,376,848.48 = 21,793,331.98/x
  3. Step 3: Cross multiply
    40,127,915.26x = 55,376,848.48 × 21,793,331.98
  4. Step 4: Simplify right side
    40,127,915.26x = 1,206,846,042,653,914.25
  5. Step 5: Solve for x
    x = 1,206,846,042,653,914.25/40,127,915.26
  6. Step 6: Final answer
    x = 30,074,974.86

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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.