Home / 28,746,163.60-43,119,245.40-13,629,619.60

Finding the Fourth Proportional to 28,746,163.60, 43,119,245.40 and 13,629,619.60

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Solution

The fourth proportional to 28,746,163.60, 43,119,245.40 and 13,629,619.60 is: 20,444,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746,163.60 : 43,119,245.40 = 13,629,619.60 : x
  2. Step 2: Convert to fraction form
    28,746,163.60/43,119,245.40 = 13,629,619.60/x
  3. Step 3: Cross multiply
    28,746,163.60x = 43,119,245.40 × 13,629,619.60
  4. Step 4: Simplify right side
    28,746,163.60x = 587,698,912,241,049.75
  5. Step 5: Solve for x
    x = 587,698,912,241,049.75/28,746,163.60
  6. Step 6: Final answer
    x = 20,444,429.40

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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.