Home / 22,545,000-31,112,177.76-12,231,768.96

Finding the Fourth Proportional to 22,545,000, 31,112,177.76 and 12,231,768.96

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Solution

The fourth proportional to 22,545,000, 31,112,177.76 and 12,231,768.96 is: 16,879,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545,000 : 31,112,177.76 = 12,231,768.96 : x
  2. Step 2: Convert to fraction form
    22,545,000/31,112,177.76 = 12,231,768.96/x
  3. Step 3: Cross multiply
    22,545,000x = 31,112,177.76 × 12,231,768.96
  4. Step 4: Simplify right side
    22,545,000x = 380,556,970,202,770.38
  5. Step 5: Solve for x
    x = 380,556,970,202,770.38/22,545,000
  6. Step 6: Final answer
    x = 16,879,883.35

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1.5x scale

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.