Home / 21,410,130.88-29,546,013.08-11,620,578.64

Finding the Fourth Proportional to 21,410,130.88, 29,546,013.08 and 11,620,578.64

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Solution

The fourth proportional to 21,410,130.88, 29,546,013.08 and 11,620,578.64 is: 16,036,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,130.88 : 29,546,013.08 = 11,620,578.64 : x
  2. Step 2: Convert to fraction form
    21,410,130.88/29,546,013.08 = 11,620,578.64/x
  3. Step 3: Cross multiply
    21,410,130.88x = 29,546,013.08 × 11,620,578.64
  4. Step 4: Simplify right side
    21,410,130.88x = 343,341,768,436,505.75
  5. Step 5: Solve for x
    x = 343,341,768,436,505.75/21,410,130.88
  6. Step 6: Final answer
    x = 16,036,416.15

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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.