Home / 31,654,062.81-43,687,194.44-18,240,118.52

Finding the Fourth Proportional to 31,654,062.81, 43,687,194.44 and 18,240,118.52

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Solution

The fourth proportional to 31,654,062.81, 43,687,194.44 and 18,240,118.52 is: 25,174,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654,062.81 : 43,687,194.44 = 18,240,118.52 : x
  2. Step 2: Convert to fraction form
    31,654,062.81/43,687,194.44 = 18,240,118.52/x
  3. Step 3: Cross multiply
    31,654,062.81x = 43,687,194.44 × 18,240,118.52
  4. Step 4: Simplify right side
    31,654,062.81x = 796,859,604,082,248.50
  5. Step 5: Solve for x
    x = 796,859,604,082,248.50/31,654,062.81
  6. Step 6: Final answer
    x = 25,174,007.17

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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.