Home / 18,388,114.32-25,375,596.56-10,657,640.68

Finding the Fourth Proportional to 18,388,114.32, 25,375,596.56 and 10,657,640.68

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Solution

The fourth proportional to 18,388,114.32, 25,375,596.56 and 10,657,640.68 is: 14,707,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,114.32 : 25,375,596.56 = 10,657,640.68 : x
  2. Step 2: Convert to fraction form
    18,388,114.32/25,375,596.56 = 10,657,640.68/x
  3. Step 3: Cross multiply
    18,388,114.32x = 25,375,596.56 × 10,657,640.68
  4. Step 4: Simplify right side
    18,388,114.32x = 270,443,990,060,396.88
  5. Step 5: Solve for x
    x = 270,443,990,060,396.88/18,388,114.32
  6. Step 6: Final answer
    x = 14,707,543.44

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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.