Home / 13,431,335.40-20,147,003.10-11,352,810.60

Finding the Fourth Proportional to 13,431,335.40, 20,147,003.10 and 11,352,810.60

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Solution

The fourth proportional to 13,431,335.40, 20,147,003.10 and 11,352,810.60 is: 17,029,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,335.40 : 20,147,003.10 = 11,352,810.60 : x
  2. Step 2: Convert to fraction form
    13,431,335.40/20,147,003.10 = 11,352,810.60/x
  3. Step 3: Cross multiply
    13,431,335.40x = 20,147,003.10 × 11,352,810.60
  4. Step 4: Simplify right side
    13,431,335.40x = 228,725,110,351,912.88
  5. Step 5: Solve for x
    x = 228,725,110,351,912.88/13,431,335.40
  6. Step 6: Final answer
    x = 17,029,215.90

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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.