Home / 38,286,819.28-52,836,441.24-20,883,165.76

Finding the Fourth Proportional to 38,286,819.28, 52,836,441.24 and 20,883,165.76

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Solution

The fourth proportional to 38,286,819.28, 52,836,441.24 and 20,883,165.76 is: 28,819,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286,819.28 : 52,836,441.24 = 20,883,165.76 : x
  2. Step 2: Convert to fraction form
    38,286,819.28/52,836,441.24 = 20,883,165.76/x
  3. Step 3: Cross multiply
    38,286,819.28x = 52,836,441.24 × 20,883,165.76
  4. Step 4: Simplify right side
    38,286,819.28x = 1,103,392,160,583,420.12
  5. Step 5: Solve for x
    x = 1,103,392,160,583,420.12/38,286,819.28
  6. Step 6: Final answer
    x = 28,819,112.72

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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.