Home / 7,025,628.80-9,695,119.56-3,969,777.44

Finding the Fourth Proportional to 7,025,628.80, 9,695,119.56 and 3,969,777.44

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Solution

The fourth proportional to 7,025,628.80, 9,695,119.56 and 3,969,777.44 is: 5,478,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025,628.80 : 9,695,119.56 = 3,969,777.44 : x
  2. Step 2: Convert to fraction form
    7,025,628.80/9,695,119.56 = 3,969,777.44/x
  3. Step 3: Cross multiply
    7,025,628.80x = 9,695,119.56 × 3,969,777.44
  4. Step 4: Simplify right side
    7,025,628.80x = 38,487,466,907,390.73
  5. Step 5: Solve for x
    x = 38,487,466,907,390.73/7,025,628.80
  6. Step 6: Final answer
    x = 5,478,152.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.