Home / 39,960,939.31-55,146,095.57-21,626,224.81

Finding the Fourth Proportional to 39,960,939.31, 55,146,095.57 and 21,626,224.81

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Solution

The fourth proportional to 39,960,939.31, 55,146,095.57 and 21,626,224.81 is: 29,844,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,939.31 : 55,146,095.57 = 21,626,224.81 : x
  2. Step 2: Convert to fraction form
    39,960,939.31/55,146,095.57 = 21,626,224.81/x
  3. Step 3: Cross multiply
    39,960,939.31x = 55,146,095.57 × 21,626,224.81
  4. Step 4: Simplify right side
    39,960,939.31x = 1,192,601,860,082,433.75
  5. Step 5: Solve for x
    x = 1,192,601,860,082,433.75/39,960,939.31
  6. Step 6: Final answer
    x = 29,844,189.87

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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.