Home / 36,656,960.90-55,008,147.54-21,311,472.86

Finding the Fourth Proportional to 36,656,960.90, 55,008,147.54 and 21,311,472.86

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Solution

The fourth proportional to 36,656,960.90, 55,008,147.54 and 21,311,472.86 is: 31,980,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,656,960.90 : 55,008,147.54 = 21,311,472.86 : x
  2. Step 2: Convert to fraction form
    36,656,960.90/55,008,147.54 = 21,311,472.86/x
  3. Step 3: Cross multiply
    36,656,960.90x = 55,008,147.54 × 21,311,472.86
  4. Step 4: Simplify right side
    36,656,960.90x = 1,172,304,643,102,545
  5. Step 5: Solve for x
    x = 1,172,304,643,102,545/36,656,960.90
  6. Step 6: Final answer
    x = 31,980,410.12

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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.