Home / 6,078,387.20-9,117,580.80-4,661,211.20

Finding the Fourth Proportional to 6,078,387.20, 9,117,580.80 and 4,661,211.20

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Solution

The fourth proportional to 6,078,387.20, 9,117,580.80 and 4,661,211.20 is: 6,991,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078,387.20 : 9,117,580.80 = 4,661,211.20 : x
  2. Step 2: Convert to fraction form
    6,078,387.20/9,117,580.80 = 4,661,211.20/x
  3. Step 3: Cross multiply
    6,078,387.20x = 9,117,580.80 × 4,661,211.20
  4. Step 4: Simplify right side
    6,078,387.20x = 42,498,969,741,864.97
  5. Step 5: Solve for x
    x = 42,498,969,741,864.97/6,078,387.20
  6. Step 6: Final answer
    x = 6,991,816.80

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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.