Home / 31,690,021.80-47,535,032.70-17,305,243.14

Finding the Fourth Proportional to 31,690,021.80, 47,535,032.70 and 17,305,243.14

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Solution

The fourth proportional to 31,690,021.80, 47,535,032.70 and 17,305,243.14 is: 25,957,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690,021.80 : 47,535,032.70 = 17,305,243.14 : x
  2. Step 2: Convert to fraction form
    31,690,021.80/47,535,032.70 = 17,305,243.14/x
  3. Step 3: Cross multiply
    31,690,021.80x = 47,535,032.70 × 17,305,243.14
  4. Step 4: Simplify right side
    31,690,021.80x = 822,605,298,541,350.75
  5. Step 5: Solve for x
    x = 822,605,298,541,350.75/31,690,021.80
  6. Step 6: Final answer
    x = 25,957,864.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.