Home / 19,919,397.82-27,488,831.03-11,548,399.18

Finding the Fourth Proportional to 19,919,397.82, 27,488,831.03 and 11,548,399.18

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Solution

The fourth proportional to 19,919,397.82, 27,488,831.03 and 11,548,399.18 is: 15,936,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,397.82 : 27,488,831.03 = 11,548,399.18 : x
  2. Step 2: Convert to fraction form
    19,919,397.82/27,488,831.03 = 11,548,399.18/x
  3. Step 3: Cross multiply
    19,919,397.82x = 27,488,831.03 × 11,548,399.18
  4. Step 4: Simplify right side
    19,919,397.82x = 317,451,993,726,010.56
  5. Step 5: Solve for x
    x = 317,451,993,726,010.56/19,919,397.82
  6. Step 6: Final answer
    x = 15,936,826.84

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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.