Home / 8,144,961.20-12,209,406.60-4,552,449.20

Finding the Fourth Proportional to 8,144,961.20, 12,209,406.60 and 4,552,449.20

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Solution

The fourth proportional to 8,144,961.20, 12,209,406.60 and 4,552,449.20 is: 6,824,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144,961.20 : 12,209,406.60 = 4,552,449.20 : x
  2. Step 2: Convert to fraction form
    8,144,961.20/12,209,406.60 = 4,552,449.20/x
  3. Step 3: Cross multiply
    8,144,961.20x = 12,209,406.60 × 4,552,449.20
  4. Step 4: Simplify right side
    8,144,961.20x = 55,582,703,308,644.72
  5. Step 5: Solve for x
    x = 55,582,703,308,644.72/8,144,961.20
  6. Step 6: Final answer
    x = 6,824,182.70

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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.