Home / 12,391,088-17,099,575.68-6,809,425.92

Finding the Fourth Proportional to 12,391,088, 17,099,575.68 and 6,809,425.92

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Solution

The fourth proportional to 12,391,088, 17,099,575.68 and 6,809,425.92 is: 9,396,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,088 : 17,099,575.68 = 6,809,425.92 : x
  2. Step 2: Convert to fraction form
    12,391,088/17,099,575.68 = 6,809,425.92/x
  3. Step 3: Cross multiply
    12,391,088x = 17,099,575.68 × 6,809,425.92
  4. Step 4: Simplify right side
    12,391,088x = 116,438,293,856,393.62
  5. Step 5: Solve for x
    x = 116,438,293,856,393.62/12,391,088
  6. Step 6: Final answer
    x = 9,396,938.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.