Home / 11,702,991.35-16,143,066.24-7,729,286.87

Finding the Fourth Proportional to 11,702,991.35, 16,143,066.24 and 7,729,286.87

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Solution

The fourth proportional to 11,702,991.35, 16,143,066.24 and 7,729,286.87 is: 10,661,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702,991.35 : 16,143,066.24 = 7,729,286.87 : x
  2. Step 2: Convert to fraction form
    11,702,991.35/16,143,066.24 = 7,729,286.87/x
  3. Step 3: Cross multiply
    11,702,991.35x = 16,143,066.24 × 7,729,286.87
  4. Step 4: Simplify right side
    11,702,991.35x = 124,774,389,930,372.27
  5. Step 5: Solve for x
    x = 124,774,389,930,372.27/11,702,991.35
  6. Step 6: Final answer
    x = 10,661,751.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.