Home / 8,312,868.24-11,479,680.56-7,859,986.91

Finding the Fourth Proportional to 8,312,868.24, 11,479,680.56 and 7,859,986.91

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Solution

The fourth proportional to 8,312,868.24, 11,479,680.56 and 7,859,986.91 is: 10,854,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,868.24 : 11,479,680.56 = 7,859,986.91 : x
  2. Step 2: Convert to fraction form
    8,312,868.24/11,479,680.56 = 7,859,986.91/x
  3. Step 3: Cross multiply
    8,312,868.24x = 11,479,680.56 × 7,859,986.91
  4. Step 4: Simplify right side
    8,312,868.24x = 90,230,138,932,581.47
  5. Step 5: Solve for x
    x = 90,230,138,932,581.47/8,312,868.24
  6. Step 6: Final answer
    x = 10,854,272.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.