Home / 7,042,043.41-9,718,143.18-3,944,540.63

Finding the Fourth Proportional to 7,042,043.41, 9,718,143.18 and 3,944,540.63

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Solution

The fourth proportional to 7,042,043.41, 9,718,143.18 and 3,944,540.63 is: 5,443,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,043.41 : 9,718,143.18 = 3,944,540.63 : x
  2. Step 2: Convert to fraction form
    7,042,043.41/9,718,143.18 = 3,944,540.63/x
  3. Step 3: Cross multiply
    7,042,043.41x = 9,718,143.18 × 3,944,540.63
  4. Step 4: Simplify right side
    7,042,043.41x = 38,333,610,631,170.73
  5. Step 5: Solve for x
    x = 38,333,610,631,170.73/7,042,043.41
  6. Step 6: Final answer
    x = 5,443,535.12

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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.