Home / 12,127,812.30-18,191,718.45-11,250,934.65

Finding the Fourth Proportional to 12,127,812.30, 18,191,718.45 and 11,250,934.65

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Solution

The fourth proportional to 12,127,812.30, 18,191,718.45 and 11,250,934.65 is: 16,876,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,812.30 : 18,191,718.45 = 11,250,934.65 : x
  2. Step 2: Convert to fraction form
    12,127,812.30/18,191,718.45 = 11,250,934.65/x
  3. Step 3: Cross multiply
    12,127,812.30x = 18,191,718.45 × 11,250,934.65
  4. Step 4: Simplify right side
    12,127,812.30x = 204,673,835,452,149.28
  5. Step 5: Solve for x
    x = 204,673,835,452,149.28/12,127,812.30
  6. Step 6: Final answer
    x = 16,876,401.98

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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.