Home / 6,881,819.20-10,324,828.80-3,518,388.16

Finding the Fourth Proportional to 6,881,819.20, 10,324,828.80 and 3,518,388.16

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Solution

The fourth proportional to 6,881,819.20, 10,324,828.80 and 3,518,388.16 is: 5,278,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881,819.20 : 10,324,828.80 = 3,518,388.16 : x
  2. Step 2: Convert to fraction form
    6,881,819.20/10,324,828.80 = 3,518,388.16/x
  3. Step 3: Cross multiply
    6,881,819.20x = 10,324,828.80 × 3,518,388.16
  4. Step 4: Simplify right side
    6,881,819.20x = 36,326,755,403,947.02
  5. Step 5: Solve for x
    x = 36,326,755,403,947.02/6,881,819.20
  6. Step 6: Final answer
    x = 5,278,655.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.