Home / 8,442,438.40-12,654,326.40-4,658,636.80

Finding the Fourth Proportional to 8,442,438.40, 12,654,326.40 and 4,658,636.80

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Solution

The fourth proportional to 8,442,438.40, 12,654,326.40 and 4,658,636.80 is: 6,982,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,438.40 : 12,654,326.40 = 4,658,636.80 : x
  2. Step 2: Convert to fraction form
    8,442,438.40/12,654,326.40 = 4,658,636.80/x
  3. Step 3: Cross multiply
    8,442,438.40x = 12,654,326.40 × 4,658,636.80
  4. Step 4: Simplify right side
    8,442,438.40x = 58,951,910,646,251.52
  5. Step 5: Solve for x
    x = 58,951,910,646,251.52/8,442,438.40
  6. Step 6: Final answer
    x = 6,982,806.13

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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.