Home / 20,726,103.20-31,089,154.80-6,542,679.20

Finding the Fourth Proportional to 20,726,103.20, 31,089,154.80 and 6,542,679.20

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Solution

The fourth proportional to 20,726,103.20, 31,089,154.80 and 6,542,679.20 is: 9,814,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,103.20 : 31,089,154.80 = 6,542,679.20 : x
  2. Step 2: Convert to fraction form
    20,726,103.20/31,089,154.80 = 6,542,679.20/x
  3. Step 3: Cross multiply
    20,726,103.20x = 31,089,154.80 × 6,542,679.20
  4. Step 4: Simplify right side
    20,726,103.20x = 203,406,366,455,540.16
  5. Step 5: Solve for x
    x = 203,406,366,455,540.16/20,726,103.20
  6. Step 6: Final answer
    x = 9,814,018.80

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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.