Home / 15,082,533-20,813,720.58-8,206,896.60

Finding the Fourth Proportional to 15,082,533, 20,813,720.58 and 8,206,896.60

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Solution

The fourth proportional to 15,082,533, 20,813,720.58 and 8,206,896.60 is: 11,325,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082,533 : 20,813,720.58 = 8,206,896.60 : x
  2. Step 2: Convert to fraction form
    15,082,533/20,813,720.58 = 8,206,896.60/x
  3. Step 3: Cross multiply
    15,082,533x = 20,813,720.58 × 8,206,896.60
  4. Step 4: Simplify right side
    15,082,533x = 170,816,052,661,352
  5. Step 5: Solve for x
    x = 170,816,052,661,352/15,082,533
  6. Step 6: Final answer
    x = 11,325,422.11

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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.