Home / 12,536,598.43-17,302,986.93-8,131,782.91

Finding the Fourth Proportional to 12,536,598.43, 17,302,986.93 and 8,131,782.91

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Solution

The fourth proportional to 12,536,598.43, 17,302,986.93 and 8,131,782.91 is: 11,223,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536,598.43 : 17,302,986.93 = 8,131,782.91 : x
  2. Step 2: Convert to fraction form
    12,536,598.43/17,302,986.93 = 8,131,782.91/x
  3. Step 3: Cross multiply
    12,536,598.43x = 17,302,986.93 × 8,131,782.91
  4. Step 4: Simplify right side
    12,536,598.43x = 140,704,133,508,532.20
  5. Step 5: Solve for x
    x = 140,704,133,508,532.20/12,536,598.43
  6. Step 6: Final answer
    x = 11,223,469.77

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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.