Home / 10,856,568.20-16,291,073.10-4,129,809.80

Finding the Fourth Proportional to 10,856,568.20, 16,291,073.10 and 4,129,809.80

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Solution

The fourth proportional to 10,856,568.20, 16,291,073.10 and 4,129,809.80 is: 6,197,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,568.20 : 16,291,073.10 = 4,129,809.80 : x
  2. Step 2: Convert to fraction form
    10,856,568.20/16,291,073.10 = 4,129,809.80/x
  3. Step 3: Cross multiply
    10,856,568.20x = 16,291,073.10 × 4,129,809.80
  4. Step 4: Simplify right side
    10,856,568.20x = 67,279,033,340,896.38
  5. Step 5: Solve for x
    x = 67,279,033,340,896.38/10,856,568.20
  6. Step 6: Final answer
    x = 6,197,081.08

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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.