Home / 9,102,779.80-13,654,169.70-8,189,488.60

Finding the Fourth Proportional to 9,102,779.80, 13,654,169.70 and 8,189,488.60

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Solution

The fourth proportional to 9,102,779.80, 13,654,169.70 and 8,189,488.60 is: 12,284,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102,779.80 : 13,654,169.70 = 8,189,488.60 : x
  2. Step 2: Convert to fraction form
    9,102,779.80/13,654,169.70 = 8,189,488.60/x
  3. Step 3: Cross multiply
    9,102,779.80x = 13,654,169.70 × 8,189,488.60
  4. Step 4: Simplify right side
    9,102,779.80x = 111,820,667,100,615.41
  5. Step 5: Solve for x
    x = 111,820,667,100,615.41/9,102,779.80
  6. Step 6: Final answer
    x = 12,284,232.90

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Similar ratio
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1.5x scale

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.