Home / 10,821,897.14-16,229,016.78-3,143,944.60

Finding the Fourth Proportional to 10,821,897.14, 16,229,016.78 and 3,143,944.60

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Solution

The fourth proportional to 10,821,897.14, 16,229,016.78 and 3,143,944.60 is: 4,714,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821,897.14 : 16,229,016.78 = 3,143,944.60 : x
  2. Step 2: Convert to fraction form
    10,821,897.14/16,229,016.78 = 3,143,944.60/x
  3. Step 3: Cross multiply
    10,821,897.14x = 16,229,016.78 × 3,143,944.60
  4. Step 4: Simplify right side
    10,821,897.14x = 51,023,129,668,790.39
  5. Step 5: Solve for x
    x = 51,023,129,668,790.39/10,821,897.14
  6. Step 6: Final answer
    x = 4,714,804.53

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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.