Home / 19,919,398.82-27,488,832.42-11,548,400.18

Finding the Fourth Proportional to 19,919,398.82, 27,488,832.42 and 11,548,400.18

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Solution

The fourth proportional to 19,919,398.82, 27,488,832.42 and 11,548,400.18 is: 15,936,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,398.82 : 27,488,832.42 = 11,548,400.18 : x
  2. Step 2: Convert to fraction form
    19,919,398.82/27,488,832.42 = 11,548,400.18/x
  3. Step 3: Cross multiply
    19,919,398.82x = 27,488,832.42 × 11,548,400.18
  4. Step 4: Simplify right side
    19,919,398.82x = 317,452,037,267,117.88
  5. Step 5: Solve for x
    x = 317,452,037,267,117.88/19,919,398.82
  6. Step 6: Final answer
    x = 15,936,828.22

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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.