Home / 26,375,549.40-39,569,008.20-8,179,378.92

Finding the Fourth Proportional to 26,375,549.40, 39,569,008.20 and 8,179,378.92

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Solution

The fourth proportional to 26,375,549.40, 39,569,008.20 and 8,179,378.92 is: 12,270,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375,549.40 : 39,569,008.20 = 8,179,378.92 : x
  2. Step 2: Convert to fraction form
    26,375,549.40/39,569,008.20 = 8,179,378.92/x
  3. Step 3: Cross multiply
    26,375,549.40x = 39,569,008.20 × 8,179,378.92
  4. Step 4: Simplify right side
    26,375,549.40x = 323,649,911,556,387.19
  5. Step 5: Solve for x
    x = 323,649,911,556,387.19/26,375,549.40
  6. Step 6: Final answer
    x = 12,270,831.09

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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.