Home / 25,126,124.87-34,678,165.91-20,933,160.48

Finding the Fourth Proportional to 25,126,124.87, 34,678,165.91 and 20,933,160.48

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Solution

The fourth proportional to 25,126,124.87, 34,678,165.91 and 20,933,160.48 is: 28,891,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126,124.87 : 34,678,165.91 = 20,933,160.48 : x
  2. Step 2: Convert to fraction form
    25,126,124.87/34,678,165.91 = 20,933,160.48/x
  3. Step 3: Cross multiply
    25,126,124.87x = 34,678,165.91 × 20,933,160.48
  4. Step 4: Simplify right side
    25,126,124.87x = 725,923,612,041,429.50
  5. Step 5: Solve for x
    x = 725,923,612,041,429.50/25,126,124.87
  6. Step 6: Final answer
    x = 28,891,188.58

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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.