Home / 13,609,129.60-20,413,694.40-12,014,806.60

Finding the Fourth Proportional to 13,609,129.60, 20,413,694.40 and 12,014,806.60

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Solution

The fourth proportional to 13,609,129.60, 20,413,694.40 and 12,014,806.60 is: 18,022,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,129.60 : 20,413,694.40 = 12,014,806.60 : x
  2. Step 2: Convert to fraction form
    13,609,129.60/20,413,694.40 = 12,014,806.60/x
  3. Step 3: Cross multiply
    13,609,129.60x = 20,413,694.40 × 12,014,806.60
  4. Step 4: Simplify right side
    13,609,129.60x = 245,266,590,207,503
  5. Step 5: Solve for x
    x = 245,266,590,207,503/13,609,129.60
  6. Step 6: Final answer
    x = 18,022,209.90

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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.