Home / 19,202,097.91-28,810,403.43-11,531,090.76

Finding the Fourth Proportional to 19,202,097.91, 28,810,403.43 and 11,531,090.76

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Solution

The fourth proportional to 19,202,097.91, 28,810,403.43 and 11,531,090.76 is: 17,300,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202,097.91 : 28,810,403.43 = 11,531,090.76 : x
  2. Step 2: Convert to fraction form
    19,202,097.91/28,810,403.43 = 11,531,090.76/x
  3. Step 3: Cross multiply
    19,202,097.91x = 28,810,403.43 × 11,531,090.76
  4. Step 4: Simplify right side
    19,202,097.91x = 332,215,376,783,545.31
  5. Step 5: Solve for x
    x = 332,215,376,783,545.31/19,202,097.91
  6. Step 6: Final answer
    x = 17,300,993.79

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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.