Home / 20,307,549.12-30,469,298.40-8,940,022.08

Finding the Fourth Proportional to 20,307,549.12, 30,469,298.40 and 8,940,022.08

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Solution

The fourth proportional to 20,307,549.12, 30,469,298.40 and 8,940,022.08 is: 13,413,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307,549.12 : 30,469,298.40 = 8,940,022.08 : x
  2. Step 2: Convert to fraction form
    20,307,549.12/30,469,298.40 = 8,940,022.08/x
  3. Step 3: Cross multiply
    20,307,549.12x = 30,469,298.40 × 8,940,022.08
  4. Step 4: Simplify right side
    20,307,549.12x = 272,396,200,458,108.66
  5. Step 5: Solve for x
    x = 272,396,200,458,108.66/20,307,549.12
  6. Step 6: Final answer
    x = 13,413,543.84

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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.