Home / 12,591,113.80-18,886,670.70-8,056,150.60

Finding the Fourth Proportional to 12,591,113.80, 18,886,670.70 and 8,056,150.60

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Solution

The fourth proportional to 12,591,113.80, 18,886,670.70 and 8,056,150.60 is: 12,084,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,113.80 : 18,886,670.70 = 8,056,150.60 : x
  2. Step 2: Convert to fraction form
    12,591,113.80/18,886,670.70 = 8,056,150.60/x
  3. Step 3: Cross multiply
    12,591,113.80x = 18,886,670.70 × 8,056,150.60
  4. Step 4: Simplify right side
    12,591,113.80x = 152,153,863,491,807.41
  5. Step 5: Solve for x
    x = 152,153,863,491,807.41/12,591,113.80
  6. Step 6: Final answer
    x = 12,084,225.90

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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.