Home / 15,082,524-20,813,708.16-8,206,887.60

Finding the Fourth Proportional to 15,082,524, 20,813,708.16 and 8,206,887.60

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Solution

The fourth proportional to 15,082,524, 20,813,708.16 and 8,206,887.60 is: 11,325,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082,524 : 20,813,708.16 = 8,206,887.60 : x
  2. Step 2: Convert to fraction form
    15,082,524/20,813,708.16 = 8,206,887.60/x
  3. Step 3: Cross multiply
    15,082,524x = 20,813,708.16 × 8,206,887.60
  4. Step 4: Simplify right side
    15,082,524x = 170,815,763,408,322.81
  5. Step 5: Solve for x
    x = 170,815,763,408,322.81/15,082,524
  6. Step 6: Final answer
    x = 11,325,409.69

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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.