Home / 47,321,769.60-70,982,654.40-18,568,843.20

Finding the Fourth Proportional to 47,321,769.60, 70,982,654.40 and 18,568,843.20

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Solution

The fourth proportional to 47,321,769.60, 70,982,654.40 and 18,568,843.20 is: 27,853,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321,769.60 : 70,982,654.40 = 18,568,843.20 : x
  2. Step 2: Convert to fraction form
    47,321,769.60/70,982,654.40 = 18,568,843.20/x
  3. Step 3: Cross multiply
    47,321,769.60x = 70,982,654.40 × 18,568,843.20
  4. Step 4: Simplify right side
    47,321,769.60x = 1,318,065,779,473,390.25
  5. Step 5: Solve for x
    x = 1,318,065,779,473,390.25/47,321,769.60
  6. Step 6: Final answer
    x = 27,853,264.80

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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.