Home / 18,127,178.08-25,015,824.62-9,867,477.76

Finding the Fourth Proportional to 18,127,178.08, 25,015,824.62 and 9,867,477.76

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Solution

The fourth proportional to 18,127,178.08, 25,015,824.62 and 9,867,477.76 is: 13,617,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,178.08 : 25,015,824.62 = 9,867,477.76 : x
  2. Step 2: Convert to fraction form
    18,127,178.08/25,015,824.62 = 9,867,477.76/x
  3. Step 3: Cross multiply
    18,127,178.08x = 25,015,824.62 × 9,867,477.76
  4. Step 4: Simplify right side
    18,127,178.08x = 246,843,093,085,910.47
  5. Step 5: Solve for x
    x = 246,843,093,085,910.47/18,127,178.08
  6. Step 6: Final answer
    x = 13,617,292.88

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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.