Home / 13,595,910.40-20,393,865.60-12,462,169.60

Finding the Fourth Proportional to 13,595,910.40, 20,393,865.60 and 12,462,169.60

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Solution

The fourth proportional to 13,595,910.40, 20,393,865.60 and 12,462,169.60 is: 18,693,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,910.40 : 20,393,865.60 = 12,462,169.60 : x
  2. Step 2: Convert to fraction form
    13,595,910.40/20,393,865.60 = 12,462,169.60/x
  3. Step 3: Cross multiply
    13,595,910.40x = 20,393,865.60 × 12,462,169.60
  4. Step 4: Simplify right side
    13,595,910.40x = 254,151,811,906,805.78
  5. Step 5: Solve for x
    x = 254,151,811,906,805.78/13,595,910.40
  6. Step 6: Final answer
    x = 18,693,254.40

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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.