Home / 20,796,132.68-31,197,036.44-8,662,758.59

Finding the Fourth Proportional to 20,796,132.68, 31,197,036.44 and 8,662,758.59

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Solution

The fourth proportional to 20,796,132.68, 31,197,036.44 and 8,662,758.59 is: 12,995,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796,132.68 : 31,197,036.44 = 8,662,758.59 : x
  2. Step 2: Convert to fraction form
    20,796,132.68/31,197,036.44 = 8,662,758.59/x
  3. Step 3: Cross multiply
    20,796,132.68x = 31,197,036.44 × 8,662,758.59
  4. Step 4: Simplify right side
    20,796,132.68x = 270,252,395,203,854.06
  5. Step 5: Solve for x
    x = 270,252,395,203,854.06/20,796,132.68
  6. Step 6: Final answer
    x = 12,995,319.82

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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.