Home / 12,745,230.55-19,117,863.92-9,729,717.73

Finding the Fourth Proportional to 12,745,230.55, 19,117,863.92 and 9,729,717.73

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Solution

The fourth proportional to 12,745,230.55, 19,117,863.92 and 9,729,717.73 is: 14,594,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,230.55 : 19,117,863.92 = 9,729,717.73 : x
  2. Step 2: Convert to fraction form
    12,745,230.55/19,117,863.92 = 9,729,717.73/x
  3. Step 3: Cross multiply
    12,745,230.55x = 19,117,863.92 × 9,729,717.73
  4. Step 4: Simplify right side
    12,745,230.55x = 186,011,419,518,680.91
  5. Step 5: Solve for x
    x = 186,011,419,518,680.91/12,745,230.55
  6. Step 6: Final answer
    x = 14,594,590.41

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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.