Home / 9,982,557.38-13,775,929.20-5,398,878.75

Finding the Fourth Proportional to 9,982,557.38, 13,775,929.20 and 5,398,878.75

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Solution

The fourth proportional to 9,982,557.38, 13,775,929.20 and 5,398,878.75 is: 7,450,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,557.38 : 13,775,929.20 = 5,398,878.75 : x
  2. Step 2: Convert to fraction form
    9,982,557.38/13,775,929.20 = 5,398,878.75/x
  3. Step 3: Cross multiply
    9,982,557.38x = 13,775,929.20 × 5,398,878.75
  4. Step 4: Simplify right side
    9,982,557.38x = 74,374,571,419,384.50
  5. Step 5: Solve for x
    x = 74,374,571,419,384.50/9,982,557.38
  6. Step 6: Final answer
    x = 7,450,452.69

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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.