Home / 20,498,481.10-30,733,724.85-9,720,945.10

Finding the Fourth Proportional to 20,498,481.10, 30,733,724.85 and 9,720,945.10

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Solution

The fourth proportional to 20,498,481.10, 30,733,724.85 and 9,720,945.10 is: 14,574,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,481.10 : 30,733,724.85 = 9,720,945.10 : x
  2. Step 2: Convert to fraction form
    20,498,481.10/30,733,724.85 = 9,720,945.10/x
  3. Step 3: Cross multiply
    20,498,481.10x = 30,733,724.85 × 9,720,945.10
  4. Step 4: Simplify right side
    20,498,481.10x = 298,760,851,985,355.75
  5. Step 5: Solve for x
    x = 298,760,851,985,355.75/20,498,481.10
  6. Step 6: Final answer
    x = 14,574,779.98

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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.