Home / 12,524,578.74-18,759,874.95-8,458,708.77

Finding the Fourth Proportional to 12,524,578.74, 18,759,874.95 and 8,458,708.77

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Solution

The fourth proportional to 12,524,578.74, 18,759,874.95 and 8,458,708.77 is: 12,669,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524,578.74 : 18,759,874.95 = 8,458,708.77 : x
  2. Step 2: Convert to fraction form
    12,524,578.74/18,759,874.95 = 8,458,708.77/x
  3. Step 3: Cross multiply
    12,524,578.74x = 18,759,874.95 × 8,458,708.77
  4. Step 4: Simplify right side
    12,524,578.74x = 158,684,318,763,668.28
  5. Step 5: Solve for x
    x = 158,684,318,763,668.28/12,524,578.74
  6. Step 6: Final answer
    x = 12,669,832.82

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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.