Home / 12,524,780.70-18,787,171.05-6,147,488.70

Finding the Fourth Proportional to 12,524,780.70, 18,787,171.05 and 6,147,488.70

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Solution

The fourth proportional to 12,524,780.70, 18,787,171.05 and 6,147,488.70 is: 9,221,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524,780.70 : 18,787,171.05 = 6,147,488.70 : x
  2. Step 2: Convert to fraction form
    12,524,780.70/18,787,171.05 = 6,147,488.70/x
  3. Step 3: Cross multiply
    12,524,780.70x = 18,787,171.05 × 6,147,488.70
  4. Step 4: Simplify right side
    12,524,780.70x = 115,493,921,734,842.14
  5. Step 5: Solve for x
    x = 115,493,921,734,842.14/12,524,780.70
  6. Step 6: Final answer
    x = 9,221,233.05

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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.