Home / 21,410,131.25-29,546,013.60-11,620,579.02

Finding the Fourth Proportional to 21,410,131.25, 29,546,013.60 and 11,620,579.02

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Solution

The fourth proportional to 21,410,131.25, 29,546,013.60 and 11,620,579.02 is: 16,036,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,131.25 : 29,546,013.60 = 11,620,579.02 : x
  2. Step 2: Convert to fraction form
    21,410,131.25/29,546,013.60 = 11,620,579.02/x
  3. Step 3: Cross multiply
    21,410,131.25x = 29,546,013.60 × 11,620,579.02
  4. Step 4: Simplify right side
    21,410,131.25x = 343,341,785,706,691.75
  5. Step 5: Solve for x
    x = 343,341,785,706,691.75/21,410,131.25
  6. Step 6: Final answer
    x = 16,036,416.67

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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.