Home / 18,195,267.72-25,098,943.86-11,756,739.72

Finding the Fourth Proportional to 18,195,267.72, 25,098,943.86 and 11,756,739.72

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Solution

The fourth proportional to 18,195,267.72, 25,098,943.86 and 11,756,739.72 is: 16,217,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,267.72 : 25,098,943.86 = 11,756,739.72 : x
  2. Step 2: Convert to fraction form
    18,195,267.72/25,098,943.86 = 11,756,739.72/x
  3. Step 3: Cross multiply
    18,195,267.72x = 25,098,943.86 × 11,756,739.72
  4. Step 4: Simplify right side
    18,195,267.72x = 295,081,750,208,912.12
  5. Step 5: Solve for x
    x = 295,081,750,208,912.12/18,195,267.72
  6. Step 6: Final answer
    x = 16,217,499.78

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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.