Home / 12,195,542.88-16,830,145.44-6,689,143.44

Finding the Fourth Proportional to 12,195,542.88, 16,830,145.44 and 6,689,143.44

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Solution

The fourth proportional to 12,195,542.88, 16,830,145.44 and 6,689,143.44 is: 9,231,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,542.88 : 16,830,145.44 = 6,689,143.44 : x
  2. Step 2: Convert to fraction form
    12,195,542.88/16,830,145.44 = 6,689,143.44/x
  3. Step 3: Cross multiply
    12,195,542.88x = 16,830,145.44 × 6,689,143.44
  4. Step 4: Simplify right side
    12,195,542.88x = 112,579,256,964,221.92
  5. Step 5: Solve for x
    x = 112,579,256,964,221.92/12,195,542.88
  6. Step 6: Final answer
    x = 9,231,180.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.