Home / 18,488,052.90-25,519,925.61-12,705,974.82

Finding the Fourth Proportional to 18,488,052.90, 25,519,925.61 and 12,705,974.82

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Solution

The fourth proportional to 18,488,052.90, 25,519,925.61 and 12,705,974.82 is: 17,538,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,052.90 : 25,519,925.61 = 12,705,974.82 : x
  2. Step 2: Convert to fraction form
    18,488,052.90/25,519,925.61 = 12,705,974.82/x
  3. Step 3: Cross multiply
    18,488,052.90x = 25,519,925.61 × 12,705,974.82
  4. Step 4: Simplify right side
    18,488,052.90x = 324,255,532,208,933.12
  5. Step 5: Solve for x
    x = 324,255,532,208,933.12/18,488,052.90
  6. Step 6: Final answer
    x = 17,538,652.34

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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.