Home / 13,412,176.08-20,118,993.12-3,826,817.52

Finding the Fourth Proportional to 13,412,176.08, 20,118,993.12 and 3,826,817.52

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Solution

The fourth proportional to 13,412,176.08, 20,118,993.12 and 3,826,817.52 is: 5,740,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,176.08 : 20,118,993.12 = 3,826,817.52 : x
  2. Step 2: Convert to fraction form
    13,412,176.08/20,118,993.12 = 3,826,817.52/x
  3. Step 3: Cross multiply
    13,412,176.08x = 20,118,993.12 × 3,826,817.52
  4. Step 4: Simplify right side
    13,412,176.08x = 76,991,715,356,375.47
  5. Step 5: Solve for x
    x = 76,991,715,356,375.47/13,412,176.08
  6. Step 6: Final answer
    x = 5,740,434.28

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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.