Home / 29,290,425.80-43,893,648.30-21,553,694.60

Finding the Fourth Proportional to 29,290,425.80, 43,893,648.30 and 21,553,694.60

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Solution

The fourth proportional to 29,290,425.80, 43,893,648.30 and 21,553,694.60 is: 32,299,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,290,425.80 : 43,893,648.30 = 21,553,694.60 : x
  2. Step 2: Convert to fraction form
    29,290,425.80/43,893,648.30 = 21,553,694.60/x
  3. Step 3: Cross multiply
    29,290,425.80x = 43,893,648.30 × 21,553,694.60
  4. Step 4: Simplify right side
    29,290,425.80x = 946,070,290,338,009.12
  5. Step 5: Solve for x
    x = 946,070,290,338,009.12/29,290,425.80
  6. Step 6: Final answer
    x = 32,299,642.78

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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.