Home / 12,298,141.92-18,458,407.22-6,545,704.98

Finding the Fourth Proportional to 12,298,141.92, 18,458,407.22 and 6,545,704.98

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Solution

The fourth proportional to 12,298,141.92, 18,458,407.22 and 6,545,704.98 is: 9,824,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,141.92 : 18,458,407.22 = 6,545,704.98 : x
  2. Step 2: Convert to fraction form
    12,298,141.92/18,458,407.22 = 6,545,704.98/x
  3. Step 3: Cross multiply
    12,298,141.92x = 18,458,407.22 × 6,545,704.98
  4. Step 4: Simplify right side
    12,298,141.92x = 120,823,288,062,821.95
  5. Step 5: Solve for x
    x = 120,823,288,062,821.95/12,298,141.92
  6. Step 6: Final answer
    x = 9,824,515.67

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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.