Home / 19,007,761.76-28,433,556.10-15,177,066.29

Finding the Fourth Proportional to 19,007,761.76, 28,433,556.10 and 15,177,066.29

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Solution

The fourth proportional to 19,007,761.76, 28,433,556.10 and 15,177,066.29 is: 22,703,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007,761.76 : 28,433,556.10 = 15,177,066.29 : x
  2. Step 2: Convert to fraction form
    19,007,761.76/28,433,556.10 = 15,177,066.29/x
  3. Step 3: Cross multiply
    19,007,761.76x = 28,433,556.10 × 15,177,066.29
  4. Step 4: Simplify right side
    19,007,761.76x = 431,537,965,848,131
  5. Step 5: Solve for x
    x = 431,537,965,848,131/19,007,761.76
  6. Step 6: Final answer
    x = 22,703,249.93

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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.