Home / 18,388,116.57-25,375,599.66-10,657,642.92

Finding the Fourth Proportional to 18,388,116.57, 25,375,599.66 and 10,657,642.92

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Solution

The fourth proportional to 18,388,116.57, 25,375,599.66 and 10,657,642.92 is: 14,707,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,116.57 : 25,375,599.66 = 10,657,642.92 : x
  2. Step 2: Convert to fraction form
    18,388,116.57/25,375,599.66 = 10,657,642.92/x
  3. Step 3: Cross multiply
    18,388,116.57x = 25,375,599.66 × 10,657,642.92
  4. Step 4: Simplify right side
    18,388,116.57x = 270,444,080,057,153.41
  5. Step 5: Solve for x
    x = 270,444,080,057,153.41/18,388,116.57
  6. Step 6: Final answer
    x = 14,707,546.53

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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.