Home / 9,291,826.71-12,822,304.46-5,162,147.42

Finding the Fourth Proportional to 9,291,826.71, 12,822,304.46 and 5,162,147.42

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Solution

The fourth proportional to 9,291,826.71, 12,822,304.46 and 5,162,147.42 is: 7,123,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,826.71 : 12,822,304.46 = 5,162,147.42 : x
  2. Step 2: Convert to fraction form
    9,291,826.71/12,822,304.46 = 5,162,147.42/x
  3. Step 3: Cross multiply
    9,291,826.71x = 12,822,304.46 × 5,162,147.42
  4. Step 4: Simplify right side
    9,291,826.71x = 66,190,625,796,721.23
  5. Step 5: Solve for x
    x = 66,190,625,796,721.23/9,291,826.71
  6. Step 6: Final answer
    x = 7,123,532.10

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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.