Home / 12,446,651.10-18,669,976.65-12,366,934.95

Finding the Fourth Proportional to 12,446,651.10, 18,669,976.65 and 12,366,934.95

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Solution

The fourth proportional to 12,446,651.10, 18,669,976.65 and 12,366,934.95 is: 18,550,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,651.10 : 18,669,976.65 = 12,366,934.95 : x
  2. Step 2: Convert to fraction form
    12,446,651.10/18,669,976.65 = 12,366,934.95/x
  3. Step 3: Cross multiply
    12,446,651.10x = 18,669,976.65 × 12,366,934.95
  4. Step 4: Simplify right side
    12,446,651.10x = 230,890,386,748,568.88
  5. Step 5: Solve for x
    x = 230,890,386,748,568.88/12,446,651.10
  6. Step 6: Final answer
    x = 18,550,402.43

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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.