Home / 31,131,201.10-46,633,816.05-21,557,389.90

Finding the Fourth Proportional to 31,131,201.10, 46,633,816.05 and 21,557,389.90

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Solution

The fourth proportional to 31,131,201.10, 46,633,816.05 and 21,557,389.90 is: 32,292,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,201.10 : 46,633,816.05 = 21,557,389.90 : x
  2. Step 2: Convert to fraction form
    31,131,201.10/46,633,816.05 = 21,557,389.90/x
  3. Step 3: Cross multiply
    31,131,201.10x = 46,633,816.05 × 21,557,389.90
  4. Step 4: Simplify right side
    31,131,201.10x = 1,005,303,355,114,727.75
  5. Step 5: Solve for x
    x = 1,005,303,355,114,727.75/31,131,201.10
  6. Step 6: Final answer
    x = 32,292,469.28

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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.