Home / 8,743,449.40-13,115,174.10-6,335,999.80

Finding the Fourth Proportional to 8,743,449.40, 13,115,174.10 and 6,335,999.80

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Solution

The fourth proportional to 8,743,449.40, 13,115,174.10 and 6,335,999.80 is: 9,503,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743,449.40 : 13,115,174.10 = 6,335,999.80 : x
  2. Step 2: Convert to fraction form
    8,743,449.40/13,115,174.10 = 6,335,999.80/x
  3. Step 3: Cross multiply
    8,743,449.40x = 13,115,174.10 × 6,335,999.80
  4. Step 4: Simplify right side
    8,743,449.40x = 83,097,740,474,565.17
  5. Step 5: Solve for x
    x = 83,097,740,474,565.17/8,743,449.40
  6. Step 6: Final answer
    x = 9,503,999.70

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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.