Home / 19,884,019.07-27,439,516.09-11,511,741.86

Finding the Fourth Proportional to 19,884,019.07, 27,439,516.09 and 11,511,741.86

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Solution

The fourth proportional to 19,884,019.07, 27,439,516.09 and 11,511,741.86 is: 15,885,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884,019.07 : 27,439,516.09 = 11,511,741.86 : x
  2. Step 2: Convert to fraction form
    19,884,019.07/27,439,516.09 = 11,511,741.86/x
  3. Step 3: Cross multiply
    19,884,019.07x = 27,439,516.09 × 11,511,741.86
  4. Step 4: Simplify right side
    19,884,019.07x = 315,876,625,825,419.56
  5. Step 5: Solve for x
    x = 315,876,625,825,419.56/19,884,019.07
  6. Step 6: Final answer
    x = 15,885,954.68

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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.