Home / 23,002,217.22-31,743,148.50-12,688,791.78

Finding the Fourth Proportional to 23,002,217.22, 31,743,148.50 and 12,688,791.78

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Solution

The fourth proportional to 23,002,217.22, 31,743,148.50 and 12,688,791.78 is: 17,510,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,002,217.22 : 31,743,148.50 = 12,688,791.78 : x
  2. Step 2: Convert to fraction form
    23,002,217.22/31,743,148.50 = 12,688,791.78/x
  3. Step 3: Cross multiply
    23,002,217.22x = 31,743,148.50 × 12,688,791.78
  4. Step 4: Simplify right side
    23,002,217.22x = 402,782,201,758,119.31
  5. Step 5: Solve for x
    x = 402,782,201,758,119.31/23,002,217.22
  6. Step 6: Final answer
    x = 17,510,581.61

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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.