Home / 27,312,937.90-40,965,863.87-12,945,135.22

Finding the Fourth Proportional to 27,312,937.90, 40,965,863.87 and 12,945,135.22

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Solution

The fourth proportional to 27,312,937.90, 40,965,863.87 and 12,945,135.22 is: 19,416,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312,937.90 : 40,965,863.87 = 12,945,135.22 : x
  2. Step 2: Convert to fraction form
    27,312,937.90/40,965,863.87 = 12,945,135.22/x
  3. Step 3: Cross multiply
    27,312,937.90x = 40,965,863.87 × 12,945,135.22
  4. Step 4: Simplify right side
    27,312,937.90x = 530,308,647,131,210.69
  5. Step 5: Solve for x
    x = 530,308,647,131,210.69/27,312,937.90
  6. Step 6: Final answer
    x = 19,416,023.61

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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.