Home / 21,410,132.38-29,546,015.15-11,620,580.14

Finding the Fourth Proportional to 21,410,132.38, 29,546,015.15 and 11,620,580.14

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Solution

The fourth proportional to 21,410,132.38, 29,546,015.15 and 11,620,580.14 is: 16,036,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,132.38 : 29,546,015.15 = 11,620,580.14 : x
  2. Step 2: Convert to fraction form
    21,410,132.38/29,546,015.15 = 11,620,580.14/x
  3. Step 3: Cross multiply
    21,410,132.38x = 29,546,015.15 × 11,620,580.14
  4. Step 4: Simplify right side
    21,410,132.38x = 343,341,836,868,229.12
  5. Step 5: Solve for x
    x = 343,341,836,868,229.12/21,410,132.38
  6. Step 6: Final answer
    x = 16,036,418.21

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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.