Home / 18,777,750.27-28,163,295.89-8,540,212.11

Finding the Fourth Proportional to 18,777,750.27, 28,163,295.89 and 8,540,212.11

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Solution

The fourth proportional to 18,777,750.27, 28,163,295.89 and 8,540,212.11 is: 12,808,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,750.27 : 28,163,295.89 = 8,540,212.11 : x
  2. Step 2: Convert to fraction form
    18,777,750.27/28,163,295.89 = 8,540,212.11/x
  3. Step 3: Cross multiply
    18,777,750.27x = 28,163,295.89 × 8,540,212.11
  4. Step 4: Simplify right side
    18,777,750.27x = 240,520,520,617,291.22
  5. Step 5: Solve for x
    x = 240,520,520,617,291.22/18,777,750.27
  6. Step 6: Final answer
    x = 12,808,803.89

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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.