Home / 9,659,863.20-14,489,794.80-6,474,813.60

Finding the Fourth Proportional to 9,659,863.20, 14,489,794.80 and 6,474,813.60

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Solution

The fourth proportional to 9,659,863.20, 14,489,794.80 and 6,474,813.60 is: 9,712,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,863.20 : 14,489,794.80 = 6,474,813.60 : x
  2. Step 2: Convert to fraction form
    9,659,863.20/14,489,794.80 = 6,474,813.60/x
  3. Step 3: Cross multiply
    9,659,863.20x = 14,489,794.80 × 6,474,813.60
  4. Step 4: Simplify right side
    9,659,863.20x = 93,818,720,432,249.28
  5. Step 5: Solve for x
    x = 93,818,720,432,249.28/9,659,863.20
  6. Step 6: Final answer
    x = 9,712,220.40

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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.