Home / 36,031,420.66-49,726,917.15-20,563,819.42

Finding the Fourth Proportional to 36,031,420.66, 49,726,917.15 and 20,563,819.42

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Solution

The fourth proportional to 36,031,420.66, 49,726,917.15 and 20,563,819.42 is: 28,380,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031,420.66 : 49,726,917.15 = 20,563,819.42 : x
  2. Step 2: Convert to fraction form
    36,031,420.66/49,726,917.15 = 20,563,819.42/x
  3. Step 3: Cross multiply
    36,031,420.66x = 49,726,917.15 × 20,563,819.42
  4. Step 4: Simplify right side
    36,031,420.66x = 1,022,575,344,585,901.12
  5. Step 5: Solve for x
    x = 1,022,575,344,585,901.12/36,031,420.66
  6. Step 6: Final answer
    x = 28,380,100.64

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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.