Home / 21,911,041.94-30,236,329.50-11,987,875.94

Finding the Fourth Proportional to 21,911,041.94, 30,236,329.50 and 11,987,875.94

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Solution

The fourth proportional to 21,911,041.94, 30,236,329.50 and 11,987,875.94 is: 16,542,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,041.94 : 30,236,329.50 = 11,987,875.94 : x
  2. Step 2: Convert to fraction form
    21,911,041.94/30,236,329.50 = 11,987,875.94/x
  3. Step 3: Cross multiply
    21,911,041.94x = 30,236,329.50 × 11,987,875.94
  4. Step 4: Simplify right side
    21,911,041.94x = 362,469,367,002,553.06
  5. Step 5: Solve for x
    x = 362,469,367,002,553.06/21,911,041.94
  6. Step 6: Final answer
    x = 16,542,771.81

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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.