Home / 28,145,438.45-38,820,682.11-25,829,808.66

Finding the Fourth Proportional to 28,145,438.45, 38,820,682.11 and 25,829,808.66

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Solution

The fourth proportional to 28,145,438.45, 38,820,682.11 and 25,829,808.66 is: 35,626,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145,438.45 : 38,820,682.11 = 25,829,808.66 : x
  2. Step 2: Convert to fraction form
    28,145,438.45/38,820,682.11 = 25,829,808.66/x
  3. Step 3: Cross multiply
    28,145,438.45x = 38,820,682.11 × 25,829,808.66
  4. Step 4: Simplify right side
    28,145,438.45x = 1,002,730,791,048,847
  5. Step 5: Solve for x
    x = 1,002,730,791,048,847/28,145,438.45
  6. Step 6: Final answer
    x = 35,626,760.37

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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.