Home / 22,445,965.70-30,975,777.33-13,151,311.38

Finding the Fourth Proportional to 22,445,965.70, 30,975,777.33 and 13,151,311.38

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Solution

The fourth proportional to 22,445,965.70, 30,975,777.33 and 13,151,311.38 is: 18,149,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445,965.70 : 30,975,777.33 = 13,151,311.38 : x
  2. Step 2: Convert to fraction form
    22,445,965.70/30,975,777.33 = 13,151,311.38/x
  3. Step 3: Cross multiply
    22,445,965.70x = 30,975,777.33 × 13,151,311.38
  4. Step 4: Simplify right side
    22,445,965.70x = 407,372,092,904,375
  5. Step 5: Solve for x
    x = 407,372,092,904,375/22,445,965.70
  6. Step 6: Final answer
    x = 18,149,011.65

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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.