Home / 18,178,854.72-25,095,910.32-11,305,551.12

Finding the Fourth Proportional to 18,178,854.72, 25,095,910.32 and 11,305,551.12

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Solution

The fourth proportional to 18,178,854.72, 25,095,910.32 and 11,305,551.12 is: 15,607,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,854.72 : 25,095,910.32 = 11,305,551.12 : x
  2. Step 2: Convert to fraction form
    18,178,854.72/25,095,910.32 = 11,305,551.12/x
  3. Step 3: Cross multiply
    18,178,854.72x = 25,095,910.32 × 11,305,551.12
  4. Step 4: Simplify right side
    18,178,854.72x = 283,723,097,025,695.56
  5. Step 5: Solve for x
    x = 283,723,097,025,695.56/18,178,854.72
  6. Step 6: Final answer
    x = 15,607,314.18

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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.