Home / 8,631,815-12,948,344.58-3,313,031

Finding the Fourth Proportional to 8,631,815, 12,948,344.58 and 3,313,031

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Solution

The fourth proportional to 8,631,815, 12,948,344.58 and 3,313,031 is: 4,969,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,815 : 12,948,344.58 = 3,313,031 : x
  2. Step 2: Convert to fraction form
    8,631,815/12,948,344.58 = 3,313,031/x
  3. Step 3: Cross multiply
    8,631,815x = 12,948,344.58 × 3,313,031
  4. Step 4: Simplify right side
    8,631,815x = 42,898,266,992,221.98
  5. Step 5: Solve for x
    x = 42,898,266,992,221.98/8,631,815
  6. Step 6: Final answer
    x = 4,969,785.26

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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.