Home / 12,591,101.80-18,886,652.70-8,056,138.60

Finding the Fourth Proportional to 12,591,101.80, 18,886,652.70 and 8,056,138.60

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Solution

The fourth proportional to 12,591,101.80, 18,886,652.70 and 8,056,138.60 is: 12,084,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,101.80 : 18,886,652.70 = 8,056,138.60 : x
  2. Step 2: Convert to fraction form
    12,591,101.80/18,886,652.70 = 8,056,138.60/x
  3. Step 3: Cross multiply
    12,591,101.80x = 18,886,652.70 × 8,056,138.60
  4. Step 4: Simplify right side
    12,591,101.80x = 152,153,491,841,264.22
  5. Step 5: Solve for x
    x = 152,153,491,841,264.22/12,591,101.80
  6. Step 6: Final answer
    x = 12,084,207.90

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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.