Home / 13,487,226.60-20,230,839.90-12,591,431.40

Finding the Fourth Proportional to 13,487,226.60, 20,230,839.90 and 12,591,431.40

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Solution

The fourth proportional to 13,487,226.60, 20,230,839.90 and 12,591,431.40 is: 18,887,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,226.60 : 20,230,839.90 = 12,591,431.40 : x
  2. Step 2: Convert to fraction form
    13,487,226.60/20,230,839.90 = 12,591,431.40/x
  3. Step 3: Cross multiply
    13,487,226.60x = 20,230,839.90 × 12,591,431.40
  4. Step 4: Simplify right side
    13,487,226.60x = 254,735,232,765,232.84
  5. Step 5: Solve for x
    x = 254,735,232,765,232.84/13,487,226.60
  6. Step 6: Final answer
    x = 18,887,147.10

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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.