Home / 6,119,615.20-9,179,422.80-5,458,266.40

Finding the Fourth Proportional to 6,119,615.20, 9,179,422.80 and 5,458,266.40

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Solution

The fourth proportional to 6,119,615.20, 9,179,422.80 and 5,458,266.40 is: 8,187,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119,615.20 : 9,179,422.80 = 5,458,266.40 : x
  2. Step 2: Convert to fraction form
    6,119,615.20/9,179,422.80 = 5,458,266.40/x
  3. Step 3: Cross multiply
    6,119,615.20x = 9,179,422.80 × 5,458,266.40
  4. Step 4: Simplify right side
    6,119,615.20x = 50,103,735,040,633.93
  5. Step 5: Solve for x
    x = 50,103,735,040,633.93/6,119,615.20
  6. Step 6: Final answer
    x = 8,187,399.60

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Double scale
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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.