Home / 8,517,905.60-12,776,858.40-5,494,596.80

Finding the Fourth Proportional to 8,517,905.60, 12,776,858.40 and 5,494,596.80

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Solution

The fourth proportional to 8,517,905.60, 12,776,858.40 and 5,494,596.80 is: 8,241,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,905.60 : 12,776,858.40 = 5,494,596.80 : x
  2. Step 2: Convert to fraction form
    8,517,905.60/12,776,858.40 = 5,494,596.80/x
  3. Step 3: Cross multiply
    8,517,905.60x = 12,776,858.40 × 5,494,596.80
  4. Step 4: Simplify right side
    8,517,905.60x = 70,203,685,278,693.12
  5. Step 5: Solve for x
    x = 70,203,685,278,693.12/8,517,905.60
  6. Step 6: Final answer
    x = 8,241,895.20

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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.