Home / 39,786,874-59,680,311.12-12,860,530

Finding the Fourth Proportional to 39,786,874, 59,680,311.12 and 12,860,530

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Solution

The fourth proportional to 39,786,874, 59,680,311.12 and 12,860,530 is: 19,290,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786,874 : 59,680,311.12 = 12,860,530 : x
  2. Step 2: Convert to fraction form
    39,786,874/59,680,311.12 = 12,860,530/x
  3. Step 3: Cross multiply
    39,786,874x = 59,680,311.12 × 12,860,530
  4. Step 4: Simplify right side
    39,786,874x = 767,520,431,568,093.62
  5. Step 5: Solve for x
    x = 767,520,431,568,093.62/39,786,874
  6. Step 6: Final answer
    x = 19,290,795.04

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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.