Home / 15,082,647-20,813,877.90-8,207,010.60

Finding the Fourth Proportional to 15,082,647, 20,813,877.90 and 8,207,010.60

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Solution

The fourth proportional to 15,082,647, 20,813,877.90 and 8,207,010.60 is: 11,325,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082,647 : 20,813,877.90 = 8,207,010.60 : x
  2. Step 2: Convert to fraction form
    15,082,647/20,813,877.90 = 8,207,010.60/x
  3. Step 3: Cross multiply
    15,082,647x = 20,813,877.90 × 8,207,010.60
  4. Step 4: Simplify right side
    15,082,647x = 170,819,716,552,405.72
  5. Step 5: Solve for x
    x = 170,819,716,552,405.72/15,082,647
  6. Step 6: Final answer
    x = 11,325,579.43

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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.