Home / 13,082,111.88-19,621,673.08-3,498,237.78

Finding the Fourth Proportional to 13,082,111.88, 19,621,673.08 and 3,498,237.78

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Solution

The fourth proportional to 13,082,111.88, 19,621,673.08 and 3,498,237.78 is: 5,246,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,111.88 : 19,621,673.08 = 3,498,237.78 : x
  2. Step 2: Convert to fraction form
    13,082,111.88/19,621,673.08 = 3,498,237.78/x
  3. Step 3: Cross multiply
    13,082,111.88x = 19,621,673.08 × 3,498,237.78
  4. Step 4: Simplify right side
    13,082,111.88x = 68,641,278,075,264.95
  5. Step 5: Solve for x
    x = 68,641,278,075,264.95/13,082,111.88
  6. Step 6: Final answer
    x = 5,246,956.97

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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.