Home / 20,726,078.20-31,089,117.30-6,542,654.20

Finding the Fourth Proportional to 20,726,078.20, 31,089,117.30 and 6,542,654.20

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Solution

The fourth proportional to 20,726,078.20, 31,089,117.30 and 6,542,654.20 is: 9,813,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,078.20 : 31,089,117.30 = 6,542,654.20 : x
  2. Step 2: Convert to fraction form
    20,726,078.20/31,089,117.30 = 6,542,654.20/x
  3. Step 3: Cross multiply
    20,726,078.20x = 31,089,117.30 × 6,542,654.20
  4. Step 4: Simplify right side
    20,726,078.20x = 203,405,343,877,137.66
  5. Step 5: Solve for x
    x = 203,405,343,877,137.66/20,726,078.20
  6. Step 6: Final answer
    x = 9,813,981.30

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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.