Home / 19,919,396.82-27,488,829.65-11,548,398.18

Finding the Fourth Proportional to 19,919,396.82, 27,488,829.65 and 11,548,398.18

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Solution

The fourth proportional to 19,919,396.82, 27,488,829.65 and 11,548,398.18 is: 15,936,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,396.82 : 27,488,829.65 = 11,548,398.18 : x
  2. Step 2: Convert to fraction form
    19,919,396.82/27,488,829.65 = 11,548,398.18/x
  3. Step 3: Cross multiply
    19,919,396.82x = 27,488,829.65 × 11,548,398.18
  4. Step 4: Simplify right side
    19,919,396.82x = 317,451,950,300,390
  5. Step 5: Solve for x
    x = 317,451,950,300,390/19,919,396.82
  6. Step 6: Final answer
    x = 15,936,825.46

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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.