Home / 13,305,561.20-19,950,468.60-6,928,269.20

Finding the Fourth Proportional to 13,305,561.20, 19,950,468.60 and 6,928,269.20

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Solution

The fourth proportional to 13,305,561.20, 19,950,468.60 and 6,928,269.20 is: 10,388,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,561.20 : 19,950,468.60 = 6,928,269.20 : x
  2. Step 2: Convert to fraction form
    13,305,561.20/19,950,468.60 = 6,928,269.20/x
  3. Step 3: Cross multiply
    13,305,561.20x = 19,950,468.60 × 6,928,269.20
  4. Step 4: Simplify right side
    13,305,561.20x = 138,222,217,126,947.14
  5. Step 5: Solve for x
    x = 138,222,217,126,947.14/13,305,561.20
  6. Step 6: Final answer
    x = 10,388,304.19

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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.