Home / 29,290,422.80-43,893,643.80-21,553,691.60

Finding the Fourth Proportional to 29,290,422.80, 43,893,643.80 and 21,553,691.60

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Solution

The fourth proportional to 29,290,422.80, 43,893,643.80 and 21,553,691.60 is: 32,299,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,290,422.80 : 43,893,643.80 = 21,553,691.60 : x
  2. Step 2: Convert to fraction form
    29,290,422.80/43,893,643.80 = 21,553,691.60/x
  3. Step 3: Cross multiply
    29,290,422.80x = 43,893,643.80 × 21,553,691.60
  4. Step 4: Simplify right side
    29,290,422.80x = 946,070,061,665,452.12
  5. Step 5: Solve for x
    x = 946,070,061,665,452.12/29,290,422.80
  6. Step 6: Final answer
    x = 32,299,638.29

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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.