Home / 31,131,935.20-46,697,902.80-19,822,520.80

Finding the Fourth Proportional to 31,131,935.20, 46,697,902.80 and 19,822,520.80

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Solution

The fourth proportional to 31,131,935.20, 46,697,902.80 and 19,822,520.80 is: 29,733,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,935.20 : 46,697,902.80 = 19,822,520.80 : x
  2. Step 2: Convert to fraction form
    31,131,935.20/46,697,902.80 = 19,822,520.80/x
  3. Step 3: Cross multiply
    31,131,935.20x = 46,697,902.80 × 19,822,520.80
  4. Step 4: Simplify right side
    31,131,935.20x = 925,670,149,569,378.25
  5. Step 5: Solve for x
    x = 925,670,149,569,378.25/31,131,935.20
  6. Step 6: Final answer
    x = 29,733,781.20

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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.