Home / 25,935,351.32-38,929,350.90-12,990,778.04

Finding the Fourth Proportional to 25,935,351.32, 38,929,350.90 and 12,990,778.04

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Solution

The fourth proportional to 25,935,351.32, 38,929,350.90 and 12,990,778.04 is: 19,499,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935,351.32 : 38,929,350.90 = 12,990,778.04 : x
  2. Step 2: Convert to fraction form
    25,935,351.32/38,929,350.90 = 12,990,778.04/x
  3. Step 3: Cross multiply
    25,935,351.32x = 38,929,350.90 × 12,990,778.04
  4. Step 4: Simplify right side
    25,935,351.32x = 505,722,556,783,174.19
  5. Step 5: Solve for x
    x = 505,722,556,783,174.19/25,935,351.32
  6. Step 6: Final answer
    x = 19,499,352.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.