Home / 18,620,389.62-25,695,734.22-10,780,232.22

Finding the Fourth Proportional to 18,620,389.62, 25,695,734.22 and 10,780,232.22

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Solution

The fourth proportional to 18,620,389.62, 25,695,734.22 and 10,780,232.22 is: 14,876,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,389.62 : 25,695,734.22 = 10,780,232.22 : x
  2. Step 2: Convert to fraction form
    18,620,389.62/25,695,734.22 = 10,780,232.22/x
  3. Step 3: Cross multiply
    18,620,389.62x = 25,695,734.22 × 10,780,232.22
  4. Step 4: Simplify right side
    18,620,389.62x = 277,005,981,955,000.56
  5. Step 5: Solve for x
    x = 277,005,981,955,000.56/18,620,389.62
  6. Step 6: Final answer
    x = 14,876,486.88

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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.