Home / 15,361,604.88-21,199,658.76-8,835,236.16

Finding the Fourth Proportional to 15,361,604.88, 21,199,658.76 and 8,835,236.16

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Solution

The fourth proportional to 15,361,604.88, 21,199,658.76 and 8,835,236.16 is: 12,192,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361,604.88 : 21,199,658.76 = 8,835,236.16 : x
  2. Step 2: Convert to fraction form
    15,361,604.88/21,199,658.76 = 8,835,236.16/x
  3. Step 3: Cross multiply
    15,361,604.88x = 21,199,658.76 × 8,835,236.16
  4. Step 4: Simplify right side
    15,361,604.88x = 187,303,991,656,012.78
  5. Step 5: Solve for x
    x = 187,303,991,656,012.78/15,361,604.88
  6. Step 6: Final answer
    x = 12,192,996.31

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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.