Home / 20,775,982.56-31,165,539.30-6,201,750.30

Finding the Fourth Proportional to 20,775,982.56, 31,165,539.30 and 6,201,750.30

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Solution

The fourth proportional to 20,775,982.56, 31,165,539.30 and 6,201,750.30 is: 9,303,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,775,982.56 : 31,165,539.30 = 6,201,750.30 : x
  2. Step 2: Convert to fraction form
    20,775,982.56/31,165,539.30 = 6,201,750.30/x
  3. Step 3: Cross multiply
    20,775,982.56x = 31,165,539.30 × 6,201,750.30
  4. Step 4: Simplify right side
    20,775,982.56x = 193,280,892,703,436.78
  5. Step 5: Solve for x
    x = 193,280,892,703,436.78/20,775,982.56
  6. Step 6: Final answer
    x = 9,303,092.75

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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.