Home / 8,194,218.30-12,291,327.45-5,672,720.70

Finding the Fourth Proportional to 8,194,218.30, 12,291,327.45 and 5,672,720.70

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Solution

The fourth proportional to 8,194,218.30, 12,291,327.45 and 5,672,720.70 is: 8,509,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,218.30 : 12,291,327.45 = 5,672,720.70 : x
  2. Step 2: Convert to fraction form
    8,194,218.30/12,291,327.45 = 5,672,720.70/x
  3. Step 3: Cross multiply
    8,194,218.30x = 12,291,327.45 × 5,672,720.70
  4. Step 4: Simplify right side
    8,194,218.30x = 69,725,267,656,093.21
  5. Step 5: Solve for x
    x = 69,725,267,656,093.21/8,194,218.30
  6. Step 6: Final answer
    x = 8,509,081.05

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Double scale
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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.