Home / 13,151,083.74-19,728,219.69-4,629,676.38

Finding the Fourth Proportional to 13,151,083.74, 19,728,219.69 and 4,629,676.38

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Solution

The fourth proportional to 13,151,083.74, 19,728,219.69 and 4,629,676.38 is: 6,945,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151,083.74 : 19,728,219.69 = 4,629,676.38 : x
  2. Step 2: Convert to fraction form
    13,151,083.74/19,728,219.69 = 4,629,676.38/x
  3. Step 3: Cross multiply
    13,151,083.74x = 19,728,219.69 × 4,629,676.38
  4. Step 4: Simplify right side
    13,151,083.74x = 91,335,272,718,243.92
  5. Step 5: Solve for x
    x = 91,335,272,718,243.92/13,151,083.74
  6. Step 6: Final answer
    x = 6,945,075.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.