Home / 18,433,218.90-27,670,823.55-10,864,449.30

Finding the Fourth Proportional to 18,433,218.90, 27,670,823.55 and 10,864,449.30

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Solution

The fourth proportional to 18,433,218.90, 27,670,823.55 and 10,864,449.30 is: 16,309,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433,218.90 : 27,670,823.55 = 10,864,449.30 : x
  2. Step 2: Convert to fraction form
    18,433,218.90/27,670,823.55 = 10,864,449.30/x
  3. Step 3: Cross multiply
    18,433,218.90x = 27,670,823.55 × 10,864,449.30
  4. Step 4: Simplify right side
    18,433,218.90x = 300,628,259,548,221.06
  5. Step 5: Solve for x
    x = 300,628,259,548,221.06/18,433,218.90
  6. Step 6: Final answer
    x = 16,309,048.42

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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.