Home / 6,785,557.20-10,178,335.80-6,494,331.60

Finding the Fourth Proportional to 6,785,557.20, 10,178,335.80 and 6,494,331.60

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Solution

The fourth proportional to 6,785,557.20, 10,178,335.80 and 6,494,331.60 is: 9,741,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785,557.20 : 10,178,335.80 = 6,494,331.60 : x
  2. Step 2: Convert to fraction form
    6,785,557.20/10,178,335.80 = 6,494,331.60/x
  3. Step 3: Cross multiply
    6,785,557.20x = 10,178,335.80 × 6,494,331.60
  4. Step 4: Simplify right side
    6,785,557.20x = 66,101,487,821,351.28
  5. Step 5: Solve for x
    x = 66,101,487,821,351.28/6,785,557.20
  6. Step 6: Final answer
    x = 9,741,497.40

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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.