Home / 12,601,221.20-18,901,831.80-3,625,773.20

Finding the Fourth Proportional to 12,601,221.20, 18,901,831.80 and 3,625,773.20

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Solution

The fourth proportional to 12,601,221.20, 18,901,831.80 and 3,625,773.20 is: 5,438,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,221.20 : 18,901,831.80 = 3,625,773.20 : x
  2. Step 2: Convert to fraction form
    12,601,221.20/18,901,831.80 = 3,625,773.20/x
  3. Step 3: Cross multiply
    12,601,221.20x = 18,901,831.80 × 3,625,773.20
  4. Step 4: Simplify right side
    12,601,221.20x = 68,533,755,171,347.77
  5. Step 5: Solve for x
    x = 68,533,755,171,347.77/12,601,221.20
  6. Step 6: Final answer
    x = 5,438,659.80

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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.