Home / 31,533,149.97-43,507,511.82-18,473,388.35

Finding the Fourth Proportional to 31,533,149.97, 43,507,511.82 and 18,473,388.35

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Solution

The fourth proportional to 31,533,149.97, 43,507,511.82 and 18,473,388.35 is: 25,488,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533,149.97 : 43,507,511.82 = 18,473,388.35 : x
  2. Step 2: Convert to fraction form
    31,533,149.97/43,507,511.82 = 18,473,388.35/x
  3. Step 3: Cross multiply
    31,533,149.97x = 43,507,511.82 × 18,473,388.35
  4. Step 4: Simplify right side
    31,533,149.97x = 803,731,161,775,537.75
  5. Step 5: Solve for x
    x = 803,731,161,775,537.75/31,533,149.97
  6. Step 6: Final answer
    x = 25,488,451.44

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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.