Home / 8,189,871.21-11,302,082.87-4,518,924.04

Finding the Fourth Proportional to 8,189,871.21, 11,302,082.87 and 4,518,924.04

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Solution

The fourth proportional to 8,189,871.21, 11,302,082.87 and 4,518,924.04 is: 6,236,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,871.21 : 11,302,082.87 = 4,518,924.04 : x
  2. Step 2: Convert to fraction form
    8,189,871.21/11,302,082.87 = 4,518,924.04/x
  3. Step 3: Cross multiply
    8,189,871.21x = 11,302,082.87 × 4,518,924.04
  4. Step 4: Simplify right side
    8,189,871.21x = 51,073,253,983,315.20
  5. Step 5: Solve for x
    x = 51,073,253,983,315.20/8,189,871.21
  6. Step 6: Final answer
    x = 6,236,148.61

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Double scale
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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.