Home / 8,048,571.20-12,072,856.80-2,658,053.60

Finding the Fourth Proportional to 8,048,571.20, 12,072,856.80 and 2,658,053.60

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Solution

The fourth proportional to 8,048,571.20, 12,072,856.80 and 2,658,053.60 is: 3,987,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048,571.20 : 12,072,856.80 = 2,658,053.60 : x
  2. Step 2: Convert to fraction form
    8,048,571.20/12,072,856.80 = 2,658,053.60/x
  3. Step 3: Cross multiply
    8,048,571.20x = 12,072,856.80 × 2,658,053.60
  4. Step 4: Simplify right side
    8,048,571.20x = 32,090,300,479,524.48
  5. Step 5: Solve for x
    x = 32,090,300,479,524.48/8,048,571.20
  6. Step 6: Final answer
    x = 3,987,080.40

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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.