Home / 22,556,161.39-31,126,669.20-12,242,663.05

Finding the Fourth Proportional to 22,556,161.39, 31,126,669.20 and 12,242,663.05

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Solution

The fourth proportional to 22,556,161.39, 31,126,669.20 and 12,242,663.05 is: 16,894,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,161.39 : 31,126,669.20 = 12,242,663.05 : x
  2. Step 2: Convert to fraction form
    22,556,161.39/31,126,669.20 = 12,242,663.05/x
  3. Step 3: Cross multiply
    22,556,161.39x = 31,126,669.20 × 12,242,663.05
  4. Step 4: Simplify right side
    22,556,161.39x = 381,073,322,915,019.75
  5. Step 5: Solve for x
    x = 381,073,322,915,019.75/22,556,161.39
  6. Step 6: Final answer
    x = 16,894,422.61

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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.