Home / 27,217,271.70-40,769,920.35-18,707,217.30

Finding the Fourth Proportional to 27,217,271.70, 40,769,920.35 and 18,707,217.30

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Solution

The fourth proportional to 27,217,271.70, 40,769,920.35 and 18,707,217.30 is: 28,022,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217,271.70 : 40,769,920.35 = 18,707,217.30 : x
  2. Step 2: Convert to fraction form
    27,217,271.70/40,769,920.35 = 18,707,217.30/x
  3. Step 3: Cross multiply
    27,217,271.70x = 40,769,920.35 × 18,707,217.30
  4. Step 4: Simplify right side
    27,217,271.70x = 762,691,759,291,142.12
  5. Step 5: Solve for x
    x = 762,691,759,291,142.12/27,217,271.70
  6. Step 6: Final answer
    x = 28,022,344.33

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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.