Home / 29,369,942.87-40,479,217.30-21,512,762.38

Finding the Fourth Proportional to 29,369,942.87, 40,479,217.30 and 21,512,762.38

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Solution

The fourth proportional to 29,369,942.87, 40,479,217.30 and 21,512,762.38 is: 29,650,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369,942.87 : 40,479,217.30 = 21,512,762.38 : x
  2. Step 2: Convert to fraction form
    29,369,942.87/40,479,217.30 = 21,512,762.38/x
  3. Step 3: Cross multiply
    29,369,942.87x = 40,479,217.30 × 21,512,762.38
  4. Step 4: Simplify right side
    29,369,942.87x = 870,819,782,948,305.25
  5. Step 5: Solve for x
    x = 870,819,782,948,305.25/29,369,942.87
  6. Step 6: Final answer
    x = 29,650,033.26

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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.