Home / 18,777,749.27-28,163,294.39-8,540,211.11

Finding the Fourth Proportional to 18,777,749.27, 28,163,294.39 and 8,540,211.11

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Solution

The fourth proportional to 18,777,749.27, 28,163,294.39 and 8,540,211.11 is: 12,808,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,749.27 : 28,163,294.39 = 8,540,211.11 : x
  2. Step 2: Convert to fraction form
    18,777,749.27/28,163,294.39 = 8,540,211.11/x
  3. Step 3: Cross multiply
    18,777,749.27x = 28,163,294.39 × 8,540,211.11
  4. Step 4: Simplify right side
    18,777,749.27x = 240,520,479,524,212.72
  5. Step 5: Solve for x
    x = 240,520,479,524,212.72/18,777,749.27
  6. Step 6: Final answer
    x = 12,808,802.38

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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.