Home / 21,167,349.30-31,755,171.15-9,036,789.30

Finding the Fourth Proportional to 21,167,349.30, 31,755,171.15 and 9,036,789.30

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Solution

The fourth proportional to 21,167,349.30, 31,755,171.15 and 9,036,789.30 is: 13,556,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,349.30 : 31,755,171.15 = 9,036,789.30 : x
  2. Step 2: Convert to fraction form
    21,167,349.30/31,755,171.15 = 9,036,789.30/x
  3. Step 3: Cross multiply
    21,167,349.30x = 31,755,171.15 × 9,036,789.30
  4. Step 4: Simplify right side
    21,167,349.30x = 286,964,790,867,988.69
  5. Step 5: Solve for x
    x = 286,964,790,867,988.69/21,167,349.30
  6. Step 6: Final answer
    x = 13,556,954.48

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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.