Home / 20,352,016.20-30,518,693.10-8,986,614.60

Finding the Fourth Proportional to 20,352,016.20, 30,518,693.10 and 8,986,614.60

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Solution

The fourth proportional to 20,352,016.20, 30,518,693.10 and 8,986,614.60 is: 13,475,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,016.20 : 30,518,693.10 = 8,986,614.60 : x
  2. Step 2: Convert to fraction form
    20,352,016.20/30,518,693.10 = 8,986,614.60/x
  3. Step 3: Cross multiply
    20,352,016.20x = 30,518,693.10 × 8,986,614.60
  4. Step 4: Simplify right side
    20,352,016.20x = 274,259,732,985,379.25
  5. Step 5: Solve for x
    x = 274,259,732,985,379.25/20,352,016.20
  6. Step 6: Final answer
    x = 13,475,801.63

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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.