Home / 11,321,815.60-16,982,723.40-7,542,679.60

Finding the Fourth Proportional to 11,321,815.60, 16,982,723.40 and 7,542,679.60

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Solution

The fourth proportional to 11,321,815.60, 16,982,723.40 and 7,542,679.60 is: 11,314,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321,815.60 : 16,982,723.40 = 7,542,679.60 : x
  2. Step 2: Convert to fraction form
    11,321,815.60/16,982,723.40 = 7,542,679.60/x
  3. Step 3: Cross multiply
    11,321,815.60x = 16,982,723.40 × 7,542,679.60
  4. Step 4: Simplify right side
    11,321,815.60x = 128,095,241,341,622.62
  5. Step 5: Solve for x
    x = 128,095,241,341,622.62/11,321,815.60
  6. Step 6: Final answer
    x = 11,314,019.40

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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.