Home / 21,870,070.20-32,805,105.30-9,099,739.80

Finding the Fourth Proportional to 21,870,070.20, 32,805,105.30 and 9,099,739.80

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Solution

The fourth proportional to 21,870,070.20, 32,805,105.30 and 9,099,739.80 is: 13,649,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,070.20 : 32,805,105.30 = 9,099,739.80 : x
  2. Step 2: Convert to fraction form
    21,870,070.20/32,805,105.30 = 9,099,739.80/x
  3. Step 3: Cross multiply
    21,870,070.20x = 32,805,105.30 × 9,099,739.80
  4. Step 4: Simplify right side
    21,870,070.20x = 298,517,922,341,601
  5. Step 5: Solve for x
    x = 298,517,922,341,601/21,870,070.20
  6. Step 6: Final answer
    x = 13,649,609.70

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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.