Home / 8,091,129.80-12,138,466.98-3,042,440.30

Finding the Fourth Proportional to 8,091,129.80, 12,138,466.98 and 3,042,440.30

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Solution

The fourth proportional to 8,091,129.80, 12,138,466.98 and 3,042,440.30 is: 4,564,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,129.80 : 12,138,466.98 = 3,042,440.30 : x
  2. Step 2: Convert to fraction form
    8,091,129.80/12,138,466.98 = 3,042,440.30/x
  3. Step 3: Cross multiply
    8,091,129.80x = 12,138,466.98 × 3,042,440.30
  4. Step 4: Simplify right side
    8,091,129.80x = 36,930,561,120,171.30
  5. Step 5: Solve for x
    x = 36,930,561,120,171.30/8,091,129.80
  6. Step 6: Final answer
    x = 4,564,326.87

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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.