Home / 36,719,285.20-55,084,176.60-12,459,331.60

Finding the Fourth Proportional to 36,719,285.20, 55,084,176.60 and 12,459,331.60

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Solution

The fourth proportional to 36,719,285.20, 55,084,176.60 and 12,459,331.60 is: 18,690,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719,285.20 : 55,084,176.60 = 12,459,331.60 : x
  2. Step 2: Convert to fraction form
    36,719,285.20/55,084,176.60 = 12,459,331.60/x
  3. Step 3: Cross multiply
    36,719,285.20x = 55,084,176.60 × 12,459,331.60
  4. Step 4: Simplify right side
    36,719,285.20x = 686,312,022,172,360.50
  5. Step 5: Solve for x
    x = 686,312,022,172,360.50/36,719,285.20
  6. Step 6: Final answer
    x = 18,690,778.39

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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.