Home / 12,436,141.17-18,654,211.62-4,857,792.51

Finding the Fourth Proportional to 12,436,141.17, 18,654,211.62 and 4,857,792.51

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Solution

The fourth proportional to 12,436,141.17, 18,654,211.62 and 4,857,792.51 is: 7,286,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,141.17 : 18,654,211.62 = 4,857,792.51 : x
  2. Step 2: Convert to fraction form
    12,436,141.17/18,654,211.62 = 4,857,792.51/x
  3. Step 3: Cross multiply
    12,436,141.17x = 18,654,211.62 × 4,857,792.51
  4. Step 4: Simplify right side
    12,436,141.17x = 90,618,289,487,590.97
  5. Step 5: Solve for x
    x = 90,618,289,487,590.97/12,436,141.17
  6. Step 6: Final answer
    x = 7,286,688.71

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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.