Home / 21,963,756.80-30,309,932.04-12,040,622

Finding the Fourth Proportional to 21,963,756.80, 30,309,932.04 and 12,040,622

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Solution

The fourth proportional to 21,963,756.80, 30,309,932.04 and 12,040,622 is: 16,616,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,756.80 : 30,309,932.04 = 12,040,622 : x
  2. Step 2: Convert to fraction form
    21,963,756.80/30,309,932.04 = 12,040,622/x
  3. Step 3: Cross multiply
    21,963,756.80x = 30,309,932.04 × 12,040,622
  4. Step 4: Simplify right side
    21,963,756.80x = 364,950,434,539,328.88
  5. Step 5: Solve for x
    x = 364,950,434,539,328.88/21,963,756.80
  6. Step 6: Final answer
    x = 16,616,029.66

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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.