Home / 20,455,940.11-28,229,795.82-11,164,106.14

Finding the Fourth Proportional to 20,455,940.11, 28,229,795.82 and 11,164,106.14

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Solution

The fourth proportional to 20,455,940.11, 28,229,795.82 and 11,164,106.14 is: 15,406,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,940.11 : 28,229,795.82 = 11,164,106.14 : x
  2. Step 2: Convert to fraction form
    20,455,940.11/28,229,795.82 = 11,164,106.14/x
  3. Step 3: Cross multiply
    20,455,940.11x = 28,229,795.82 × 11,164,106.14
  4. Step 4: Simplify right side
    20,455,940.11x = 315,160,436,845,008.38
  5. Step 5: Solve for x
    x = 315,160,436,845,008.38/20,455,940.11
  6. Step 6: Final answer
    x = 15,406,793.10

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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.