Home / 13,156,629.44-19,638,579.85-11,603,493.12

Finding the Fourth Proportional to 13,156,629.44, 19,638,579.85 and 11,603,493.12

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Solution

The fourth proportional to 13,156,629.44, 19,638,579.85 and 11,603,493.12 is: 17,320,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,629.44 : 19,638,579.85 = 11,603,493.12 : x
  2. Step 2: Convert to fraction form
    13,156,629.44/19,638,579.85 = 11,603,493.12/x
  3. Step 3: Cross multiply
    13,156,629.44x = 19,638,579.85 × 11,603,493.12
  4. Step 4: Simplify right side
    13,156,629.44x = 227,876,126,147,036.88
  5. Step 5: Solve for x
    x = 227,876,126,147,036.88/13,156,629.44
  6. Step 6: Final answer
    x = 17,320,251.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.