Home / 7,122,672.80-10,684,009.20-4,468,464.80

Finding the Fourth Proportional to 7,122,672.80, 10,684,009.20 and 4,468,464.80

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Solution

The fourth proportional to 7,122,672.80, 10,684,009.20 and 4,468,464.80 is: 6,702,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,672.80 : 10,684,009.20 = 4,468,464.80 : x
  2. Step 2: Convert to fraction form
    7,122,672.80/10,684,009.20 = 4,468,464.80/x
  3. Step 3: Cross multiply
    7,122,672.80x = 10,684,009.20 × 4,468,464.80
  4. Step 4: Simplify right side
    7,122,672.80x = 47,741,119,033,076.16
  5. Step 5: Solve for x
    x = 47,741,119,033,076.16/7,122,672.80
  6. Step 6: Final answer
    x = 6,702,697.20

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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.