Home / 55,215,116.33-82,821,965.04-18,343,960.35

Finding the Fourth Proportional to 55,215,116.33, 82,821,965.04 and 18,343,960.35

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Solution

The fourth proportional to 55,215,116.33, 82,821,965.04 and 18,343,960.35 is: 27,515,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215,116.33 : 82,821,965.04 = 18,343,960.35 : x
  2. Step 2: Convert to fraction form
    55,215,116.33/82,821,965.04 = 18,343,960.35/x
  3. Step 3: Cross multiply
    55,215,116.33x = 82,821,965.04 × 18,343,960.35
  4. Step 4: Simplify right side
    55,215,116.33x = 1,519,282,842,802,846.50
  5. Step 5: Solve for x
    x = 1,519,282,842,802,846.50/55,215,116.33
  6. Step 6: Final answer
    x = 27,515,704.83

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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.