Home / 25,206,138.40-37,819,705.20-8,172,032.80

Finding the Fourth Proportional to 25,206,138.40, 37,819,705.20 and 8,172,032.80

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Solution

The fourth proportional to 25,206,138.40, 37,819,705.20 and 8,172,032.80 is: 12,261,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206,138.40 : 37,819,705.20 = 8,172,032.80 : x
  2. Step 2: Convert to fraction form
    25,206,138.40/37,819,705.20 = 8,172,032.80/x
  3. Step 3: Cross multiply
    25,206,138.40x = 37,819,705.20 × 8,172,032.80
  4. Step 4: Simplify right side
    25,206,138.40x = 309,063,871,380,730.56
  5. Step 5: Solve for x
    x = 309,063,871,380,730.56/25,206,138.40
  6. Step 6: Final answer
    x = 12,261,452.61

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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.