Home / 20,519,249.60-30,771,616.80-7,052,945.60

Finding the Fourth Proportional to 20,519,249.60, 30,771,616.80 and 7,052,945.60

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Solution

The fourth proportional to 20,519,249.60, 30,771,616.80 and 7,052,945.60 is: 10,576,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519,249.60 : 30,771,616.80 = 7,052,945.60 : x
  2. Step 2: Convert to fraction form
    20,519,249.60/30,771,616.80 = 7,052,945.60/x
  3. Step 3: Cross multiply
    20,519,249.60x = 30,771,616.80 × 7,052,945.60
  4. Step 4: Simplify right side
    20,519,249.60x = 217,030,539,314,446.06
  5. Step 5: Solve for x
    x = 217,030,539,314,446.06/20,519,249.60
  6. Step 6: Final answer
    x = 10,576,923.79

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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.