Home / 18,479,869.66-25,494,514.37-10,637,505.45

Finding the Fourth Proportional to 18,479,869.66, 25,494,514.37 and 10,637,505.45

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Solution

The fourth proportional to 18,479,869.66, 25,494,514.37 and 10,637,505.45 is: 14,675,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479,869.66 : 25,494,514.37 = 10,637,505.45 : x
  2. Step 2: Convert to fraction form
    18,479,869.66/25,494,514.37 = 10,637,505.45/x
  3. Step 3: Cross multiply
    18,479,869.66x = 25,494,514.37 × 10,637,505.45
  4. Step 4: Simplify right side
    18,479,869.66x = 271,198,035,555,978.31
  5. Step 5: Solve for x
    x = 271,198,035,555,978.31/18,479,869.66
  6. Step 6: Final answer
    x = 14,675,321.88

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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.