Home / 12,859,067.46-17,745,489.53-7,352,545.72

Finding the Fourth Proportional to 12,859,067.46, 17,745,489.53 and 7,352,545.72

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Solution

The fourth proportional to 12,859,067.46, 17,745,489.53 and 7,352,545.72 is: 10,146,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,067.46 : 17,745,489.53 = 7,352,545.72 : x
  2. Step 2: Convert to fraction form
    12,859,067.46/17,745,489.53 = 7,352,545.72/x
  3. Step 3: Cross multiply
    12,859,067.46x = 17,745,489.53 × 7,352,545.72
  4. Step 4: Simplify right side
    12,859,067.46x = 130,474,523,093,106.31
  5. Step 5: Solve for x
    x = 130,474,523,093,106.31/12,859,067.46
  6. Step 6: Final answer
    x = 10,146,499.62

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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.