Home / 8,517,608.40-12,776,412.60-6,837,992.40

Finding the Fourth Proportional to 8,517,608.40, 12,776,412.60 and 6,837,992.40

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Solution

The fourth proportional to 8,517,608.40, 12,776,412.60 and 6,837,992.40 is: 10,256,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,608.40 : 12,776,412.60 = 6,837,992.40 : x
  2. Step 2: Convert to fraction form
    8,517,608.40/12,776,412.60 = 6,837,992.40/x
  3. Step 3: Cross multiply
    8,517,608.40x = 12,776,412.60 × 6,837,992.40
  4. Step 4: Simplify right side
    8,517,608.40x = 87,365,012,258,064.25
  5. Step 5: Solve for x
    x = 87,365,012,258,064.25/8,517,608.40
  6. Step 6: Final answer
    x = 10,256,988.60

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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.