Home / 12,296,521.70-18,444,782.55-8,629,578.80

Finding the Fourth Proportional to 12,296,521.70, 18,444,782.55 and 8,629,578.80

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Solution

The fourth proportional to 12,296,521.70, 18,444,782.55 and 8,629,578.80 is: 12,944,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,521.70 : 18,444,782.55 = 8,629,578.80 : x
  2. Step 2: Convert to fraction form
    12,296,521.70/18,444,782.55 = 8,629,578.80/x
  3. Step 3: Cross multiply
    12,296,521.70x = 18,444,782.55 × 8,629,578.80
  4. Step 4: Simplify right side
    12,296,521.70x = 159,170,704,464,089.97
  5. Step 5: Solve for x
    x = 159,170,704,464,089.97/12,296,521.70
  6. Step 6: Final answer
    x = 12,944,368.20

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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.