Home / 18,107,632.32-27,161,053.92-8,517,695.28

Finding the Fourth Proportional to 18,107,632.32, 27,161,053.92 and 8,517,695.28

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Solution

The fourth proportional to 18,107,632.32, 27,161,053.92 and 8,517,695.28 is: 12,776,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107,632.32 : 27,161,053.92 = 8,517,695.28 : x
  2. Step 2: Convert to fraction form
    18,107,632.32/27,161,053.92 = 8,517,695.28/x
  3. Step 3: Cross multiply
    18,107,632.32x = 27,161,053.92 × 8,517,695.28
  4. Step 4: Simplify right side
    18,107,632.32x = 231,349,580,774,209.50
  5. Step 5: Solve for x
    x = 231,349,580,774,209.50/18,107,632.32
  6. Step 6: Final answer
    x = 12,776,357.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.