Home / 7,678,251.20-11,517,376.80-7,566,276.80

Finding the Fourth Proportional to 7,678,251.20, 11,517,376.80 and 7,566,276.80

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Solution

The fourth proportional to 7,678,251.20, 11,517,376.80 and 7,566,276.80 is: 11,349,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,251.20 : 11,517,376.80 = 7,566,276.80 : x
  2. Step 2: Convert to fraction form
    7,678,251.20/11,517,376.80 = 7,566,276.80/x
  3. Step 3: Cross multiply
    7,678,251.20x = 11,517,376.80 × 7,566,276.80
  4. Step 4: Simplify right side
    7,678,251.20x = 87,143,660,878,698.25
  5. Step 5: Solve for x
    x = 87,143,660,878,698.25/7,678,251.20
  6. Step 6: Final answer
    x = 11,349,415.20

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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.