Home / 31,706,855.34-43,755,544.35-18,654,606.06

Finding the Fourth Proportional to 31,706,855.34, 43,755,544.35 and 18,654,606.06

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Solution

The fourth proportional to 31,706,855.34, 43,755,544.35 and 18,654,606.06 is: 25,743,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,706,855.34 : 43,755,544.35 = 18,654,606.06 : x
  2. Step 2: Convert to fraction form
    31,706,855.34/43,755,544.35 = 18,654,606.06/x
  3. Step 3: Cross multiply
    31,706,855.34x = 43,755,544.35 × 18,654,606.06
  4. Step 4: Simplify right side
    31,706,855.34x = 816,242,442,790,108.75
  5. Step 5: Solve for x
    x = 816,242,442,790,108.75/31,706,855.34
  6. Step 6: Final answer
    x = 25,743,405.77

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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.