Home / 25,126,126.88-34,678,168.66-20,933,162.48

Finding the Fourth Proportional to 25,126,126.88, 34,678,168.66 and 20,933,162.48

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Solution

The fourth proportional to 25,126,126.88, 34,678,168.66 and 20,933,162.48 is: 28,891,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126,126.88 : 34,678,168.66 = 20,933,162.48 : x
  2. Step 2: Convert to fraction form
    25,126,126.88/34,678,168.66 = 20,933,162.48/x
  3. Step 3: Cross multiply
    25,126,126.88x = 34,678,168.66 × 20,933,162.48
  4. Step 4: Simplify right side
    25,126,126.88x = 725,923,739,068,623.88
  5. Step 5: Solve for x
    x = 725,923,739,068,623.88/25,126,126.88
  6. Step 6: Final answer
    x = 28,891,191.33

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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.