Home / 11,321,801.60-16,982,702.40-7,542,665.60

Finding the Fourth Proportional to 11,321,801.60, 16,982,702.40 and 7,542,665.60

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Solution

The fourth proportional to 11,321,801.60, 16,982,702.40 and 7,542,665.60 is: 11,313,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321,801.60 : 16,982,702.40 = 7,542,665.60 : x
  2. Step 2: Convert to fraction form
    11,321,801.60/16,982,702.40 = 7,542,665.60/x
  3. Step 3: Cross multiply
    11,321,801.60x = 16,982,702.40 × 7,542,665.60
  4. Step 4: Simplify right side
    11,321,801.60x = 128,094,845,187,517.42
  5. Step 5: Solve for x
    x = 128,094,845,187,517.42/11,321,801.60
  6. Step 6: Final answer
    x = 11,313,998.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.