Home / 12,436,161.39-18,654,242.36-4,857,812.73

Finding the Fourth Proportional to 12,436,161.39, 18,654,242.36 and 4,857,812.73

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Solution

The fourth proportional to 12,436,161.39, 18,654,242.36 and 4,857,812.73 is: 7,286,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,161.39 : 18,654,242.36 = 4,857,812.73 : x
  2. Step 2: Convert to fraction form
    12,436,161.39/18,654,242.36 = 4,857,812.73/x
  3. Step 3: Cross multiply
    12,436,161.39x = 18,654,242.36 × 4,857,812.73
  4. Step 4: Simplify right side
    12,436,161.39x = 90,618,815,980,624.19
  5. Step 5: Solve for x
    x = 90,618,815,980,624.19/12,436,161.39
  6. Step 6: Final answer
    x = 7,286,719.20

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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.