Home / 18,279,387.47-27,255,658.78-17,777,175.73

Finding the Fourth Proportional to 18,279,387.47, 27,255,658.78 and 17,777,175.73

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Solution

The fourth proportional to 18,279,387.47, 27,255,658.78 and 17,777,175.73 is: 26,506,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,387.47 : 27,255,658.78 = 17,777,175.73 : x
  2. Step 2: Convert to fraction form
    18,279,387.47/27,255,658.78 = 17,777,175.73/x
  3. Step 3: Cross multiply
    18,279,387.47x = 27,255,658.78 × 17,777,175.73
  4. Step 4: Simplify right side
    18,279,387.47x = 484,528,635,768,977.44
  5. Step 5: Solve for x
    x = 484,528,635,768,977.44/18,279,387.47
  6. Step 6: Final answer
    x = 26,506,831.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.