Home / 29,369,941.37-40,479,215.23-21,512,760.87

Finding the Fourth Proportional to 29,369,941.37, 40,479,215.23 and 21,512,760.87

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Solution

The fourth proportional to 29,369,941.37, 40,479,215.23 and 21,512,760.87 is: 29,650,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369,941.37 : 40,479,215.23 = 21,512,760.87 : x
  2. Step 2: Convert to fraction form
    29,369,941.37/40,479,215.23 = 21,512,760.87/x
  3. Step 3: Cross multiply
    29,369,941.37x = 40,479,215.23 × 21,512,760.87
  4. Step 4: Simplify right side
    29,369,941.37x = 870,819,677,626,940.12
  5. Step 5: Solve for x
    x = 870,819,677,626,940.12/29,369,941.37
  6. Step 6: Final answer
    x = 29,650,031.19

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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.