Home / 21,882,828.48-30,198,906.72-12,093,907.20

Finding the Fourth Proportional to 21,882,828.48, 30,198,906.72 and 12,093,907.20

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Solution

The fourth proportional to 21,882,828.48, 30,198,906.72 and 12,093,907.20 is: 16,689,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882,828.48 : 30,198,906.72 = 12,093,907.20 : x
  2. Step 2: Convert to fraction form
    21,882,828.48/30,198,906.72 = 12,093,907.20/x
  3. Step 3: Cross multiply
    21,882,828.48x = 30,198,906.72 × 12,093,907.20
  4. Step 4: Simplify right side
    21,882,828.48x = 365,222,775,413,136.38
  5. Step 5: Solve for x
    x = 365,222,775,413,136.38/21,882,828.48
  6. Step 6: Final answer
    x = 16,689,925.42

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Why These Related Problems?

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