Home / 9,159,217.11-13,738,873.04-5,370,042.78

Finding the Fourth Proportional to 9,159,217.11, 13,738,873.04 and 5,370,042.78

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Solution

The fourth proportional to 9,159,217.11, 13,738,873.04 and 5,370,042.78 is: 8,055,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159,217.11 : 13,738,873.04 = 5,370,042.78 : x
  2. Step 2: Convert to fraction form
    9,159,217.11/13,738,873.04 = 5,370,042.78/x
  3. Step 3: Cross multiply
    9,159,217.11x = 13,738,873.04 × 5,370,042.78
  4. Step 4: Simplify right side
    9,159,217.11x = 73,778,335,973,788.66
  5. Step 5: Solve for x
    x = 73,778,335,973,788.66/9,159,217.11
  6. Step 6: Final answer
    x = 8,055,091.95

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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.