Home / 31,020,945.05-42,808,067.82-17,269,910.39

Finding the Fourth Proportional to 31,020,945.05, 42,808,067.82 and 17,269,910.39

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Solution

The fourth proportional to 31,020,945.05, 42,808,067.82 and 17,269,910.39 is: 23,832,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,020,945.05 : 42,808,067.82 = 17,269,910.39 : x
  2. Step 2: Convert to fraction form
    31,020,945.05/42,808,067.82 = 17,269,910.39/x
  3. Step 3: Cross multiply
    31,020,945.05x = 42,808,067.82 × 17,269,910.39
  4. Step 4: Simplify right side
    31,020,945.05x = 739,291,495,327,462.75
  5. Step 5: Solve for x
    x = 739,291,495,327,462.75/31,020,945.05
  6. Step 6: Final answer
    x = 23,832,010.73

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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.