Home / 18,255,922.80-25,193,081.88-9,995,835.12

Finding the Fourth Proportional to 18,255,922.80, 25,193,081.88 and 9,995,835.12

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Solution

The fourth proportional to 18,255,922.80, 25,193,081.88 and 9,995,835.12 is: 13,794,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255,922.80 : 25,193,081.88 = 9,995,835.12 : x
  2. Step 2: Convert to fraction form
    18,255,922.80/25,193,081.88 = 9,995,835.12/x
  3. Step 3: Cross multiply
    18,255,922.80x = 25,193,081.88 × 9,995,835.12
  4. Step 4: Simplify right side
    18,255,922.80x = 251,825,892,637,139.59
  5. Step 5: Solve for x
    x = 251,825,892,637,139.59/18,255,922.80
  6. Step 6: Final answer
    x = 13,794,202.32

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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.