Home / 12,488,373.72-17,234,334.36-6,981,980.58

Finding the Fourth Proportional to 12,488,373.72, 17,234,334.36 and 6,981,980.58

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Solution

The fourth proportional to 12,488,373.72, 17,234,334.36 and 6,981,980.58 is: 9,635,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,373.72 : 17,234,334.36 = 6,981,980.58 : x
  2. Step 2: Convert to fraction form
    12,488,373.72/17,234,334.36 = 6,981,980.58/x
  3. Step 3: Cross multiply
    12,488,373.72x = 17,234,334.36 × 6,981,980.58
  4. Step 4: Simplify right side
    12,488,373.72x = 120,329,787,810,746.72
  5. Step 5: Solve for x
    x = 120,329,787,810,746.72/12,488,373.72
  6. Step 6: Final answer
    x = 9,635,344.88

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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.