Home / 18,432,816.60-27,649,224.90-5,653,219.80

Finding the Fourth Proportional to 18,432,816.60, 27,649,224.90 and 5,653,219.80

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Solution

The fourth proportional to 18,432,816.60, 27,649,224.90 and 5,653,219.80 is: 8,479,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,816.60 : 27,649,224.90 = 5,653,219.80 : x
  2. Step 2: Convert to fraction form
    18,432,816.60/27,649,224.90 = 5,653,219.80/x
  3. Step 3: Cross multiply
    18,432,816.60x = 27,649,224.90 × 5,653,219.80
  4. Step 4: Simplify right side
    18,432,816.60x = 156,307,145,659,333
  5. Step 5: Solve for x
    x = 156,307,145,659,333/18,432,816.60
  6. Step 6: Final answer
    x = 8,479,829.70

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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.