Home / 13,766,021.87-20,630,431.79-5,241,708.23

Finding the Fourth Proportional to 13,766,021.87, 20,630,431.79 and 5,241,708.23

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Solution

The fourth proportional to 13,766,021.87, 20,630,431.79 and 5,241,708.23 is: 7,855,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,021.87 : 20,630,431.79 = 5,241,708.23 : x
  2. Step 2: Convert to fraction form
    13,766,021.87/20,630,431.79 = 5,241,708.23/x
  3. Step 3: Cross multiply
    13,766,021.87x = 20,630,431.79 × 5,241,708.23
  4. Step 4: Simplify right side
    13,766,021.87x = 108,138,703,992,392.33
  5. Step 5: Solve for x
    x = 108,138,703,992,392.33/13,766,021.87
  6. Step 6: Final answer
    x = 7,855,479.60

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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.