Home / 13,486,537.20-20,229,805.80-13,171,609.20

Finding the Fourth Proportional to 13,486,537.20, 20,229,805.80 and 13,171,609.20

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Solution

The fourth proportional to 13,486,537.20, 20,229,805.80 and 13,171,609.20 is: 19,757,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,537.20 : 20,229,805.80 = 13,171,609.20 : x
  2. Step 2: Convert to fraction form
    13,486,537.20/20,229,805.80 = 13,171,609.20/x
  3. Step 3: Cross multiply
    13,486,537.20x = 20,229,805.80 × 13,171,609.20
  4. Step 4: Simplify right side
    13,486,537.20x = 266,459,096,189,493.34
  5. Step 5: Solve for x
    x = 266,459,096,189,493.34/13,486,537.20
  6. Step 6: Final answer
    x = 19,757,413.80

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1.5x scale

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.