Home / 6,989,349.20-10,484,023.80-4,147,998.80

Finding the Fourth Proportional to 6,989,349.20, 10,484,023.80 and 4,147,998.80

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Solution

The fourth proportional to 6,989,349.20, 10,484,023.80 and 4,147,998.80 is: 6,221,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,349.20 : 10,484,023.80 = 4,147,998.80 : x
  2. Step 2: Convert to fraction form
    6,989,349.20/10,484,023.80 = 4,147,998.80/x
  3. Step 3: Cross multiply
    6,989,349.20x = 10,484,023.80 × 4,147,998.80
  4. Step 4: Simplify right side
    6,989,349.20x = 43,487,718,141,571.44
  5. Step 5: Solve for x
    x = 43,487,718,141,571.44/6,989,349.20
  6. Step 6: Final answer
    x = 6,221,998.20

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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.