Home / 21,882,829.48-30,198,908.10-12,093,908.20

Finding the Fourth Proportional to 21,882,829.48, 30,198,908.10 and 12,093,908.20

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Solution

The fourth proportional to 21,882,829.48, 30,198,908.10 and 12,093,908.20 is: 16,689,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882,829.48 : 30,198,908.10 = 12,093,908.20 : x
  2. Step 2: Convert to fraction form
    21,882,829.48/30,198,908.10 = 12,093,908.20/x
  3. Step 3: Cross multiply
    21,882,829.48x = 30,198,908.10 × 12,093,908.20
  4. Step 4: Simplify right side
    21,882,829.48x = 365,222,822,301,636.44
  5. Step 5: Solve for x
    x = 365,222,822,301,636.44/21,882,829.48
  6. Step 6: Final answer
    x = 16,689,926.80

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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.