Home / 13,513,173.88-20,269,760.80-3,415,794.88

Finding the Fourth Proportional to 13,513,173.88, 20,269,760.80 and 3,415,794.88

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Solution

The fourth proportional to 13,513,173.88, 20,269,760.80 and 3,415,794.88 is: 5,123,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,173.88 : 20,269,760.80 = 3,415,794.88 : x
  2. Step 2: Convert to fraction form
    13,513,173.88/20,269,760.80 = 3,415,794.88/x
  3. Step 3: Cross multiply
    13,513,173.88x = 20,269,760.80 × 3,415,794.88
  4. Step 4: Simplify right side
    13,513,173.88x = 69,237,345,159,464.70
  5. Step 5: Solve for x
    x = 69,237,345,159,464.70/13,513,173.88
  6. Step 6: Final answer
    x = 5,123,692.31

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1.5x scale

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.