Home / 36,900,989.47-50,923,062.72-20,155,739.70

Finding the Fourth Proportional to 36,900,989.47, 50,923,062.72 and 20,155,739.70

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Solution

The fourth proportional to 36,900,989.47, 50,923,062.72 and 20,155,739.70 is: 27,814,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,900,989.47 : 50,923,062.72 = 20,155,739.70 : x
  2. Step 2: Convert to fraction form
    36,900,989.47/50,923,062.72 = 20,155,739.70/x
  3. Step 3: Cross multiply
    36,900,989.47x = 50,923,062.72 × 20,155,739.70
  4. Step 4: Simplify right side
    36,900,989.47x = 1,026,391,996,911,093.88
  5. Step 5: Solve for x
    x = 1,026,391,996,911,093.88/36,900,989.47
  6. Step 6: Final answer
    x = 27,814,755.42

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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.