Home / 12,770,429.10-19,155,643.65-11,384,745.90

Finding the Fourth Proportional to 12,770,429.10, 19,155,643.65 and 11,384,745.90

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Solution

The fourth proportional to 12,770,429.10, 19,155,643.65 and 11,384,745.90 is: 17,077,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,429.10 : 19,155,643.65 = 11,384,745.90 : x
  2. Step 2: Convert to fraction form
    12,770,429.10/19,155,643.65 = 11,384,745.90/x
  3. Step 3: Cross multiply
    12,770,429.10x = 19,155,643.65 × 11,384,745.90
  4. Step 4: Simplify right side
    12,770,429.10x = 218,082,135,506,198.53
  5. Step 5: Solve for x
    x = 218,082,135,506,198.53/12,770,429.10
  6. Step 6: Final answer
    x = 17,077,118.85

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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.