Home / 25,908,758.80-38,863,138.20-7,957,862.80

Finding the Fourth Proportional to 25,908,758.80, 38,863,138.20 and 7,957,862.80

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Solution

The fourth proportional to 25,908,758.80, 38,863,138.20 and 7,957,862.80 is: 11,936,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908,758.80 : 38,863,138.20 = 7,957,862.80 : x
  2. Step 2: Convert to fraction form
    25,908,758.80/38,863,138.20 = 7,957,862.80/x
  3. Step 3: Cross multiply
    25,908,758.80x = 38,863,138.20 × 7,957,862.80
  4. Step 4: Simplify right side
    25,908,758.80x = 309,267,521,773,039
  5. Step 5: Solve for x
    x = 309,267,521,773,039/25,908,758.80
  6. Step 6: Final answer
    x = 11,936,794.20

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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.