Home / 12,982,296.22-17,915,347.62-7,181,073.22

Finding the Fourth Proportional to 12,982,296.22, 17,915,347.62 and 7,181,073.22

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Solution

The fourth proportional to 12,982,296.22, 17,915,347.62 and 7,181,073.22 is: 9,909,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982,296.22 : 17,915,347.62 = 7,181,073.22 : x
  2. Step 2: Convert to fraction form
    12,982,296.22/17,915,347.62 = 7,181,073.22/x
  3. Step 3: Cross multiply
    12,982,296.22x = 17,915,347.62 × 7,181,073.22
  4. Step 4: Simplify right side
    12,982,296.22x = 128,651,423,020,972.73
  5. Step 5: Solve for x
    x = 128,651,423,020,972.73/12,982,296.22
  6. Step 6: Final answer
    x = 9,909,758.71

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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.