Home / 7,647,761.60-10,554,046.08-4,163,201.12

Finding the Fourth Proportional to 7,647,761.60, 10,554,046.08 and 4,163,201.12

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Solution

The fourth proportional to 7,647,761.60, 10,554,046.08 and 4,163,201.12 is: 5,745,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,761.60 : 10,554,046.08 = 4,163,201.12 : x
  2. Step 2: Convert to fraction form
    7,647,761.60/10,554,046.08 = 4,163,201.12/x
  3. Step 3: Cross multiply
    7,647,761.60x = 10,554,046.08 × 4,163,201.12
  4. Step 4: Simplify right side
    7,647,761.60x = 43,938,616,460,787.61
  5. Step 5: Solve for x
    x = 43,938,616,460,787.61/7,647,761.60
  6. Step 6: Final answer
    x = 5,745,291.07

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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.