Home / 18,127,044.72-25,015,837.32-9,867,639.56

Finding the Fourth Proportional to 18,127,044.72, 25,015,837.32 and 9,867,639.56

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Solution

The fourth proportional to 18,127,044.72, 25,015,837.32 and 9,867,639.56 is: 13,617,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,044.72 : 25,015,837.32 = 9,867,639.56 : x
  2. Step 2: Convert to fraction form
    18,127,044.72/25,015,837.32 = 9,867,639.56/x
  3. Step 3: Cross multiply
    18,127,044.72x = 25,015,837.32 × 9,867,639.56
  4. Step 4: Simplify right side
    18,127,044.72x = 246,847,265,965,356.41
  5. Step 5: Solve for x
    x = 246,847,265,965,356.41/18,127,044.72
  6. Step 6: Final answer
    x = 13,617,623.27

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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.