Home / 15,295,192.50-21,067,157.52-11,756,221.50

Finding the Fourth Proportional to 15,295,192.50, 21,067,157.52 and 11,756,221.50

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Solution

The fourth proportional to 15,295,192.50, 21,067,157.52 and 11,756,221.50 is: 16,192,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295,192.50 : 21,067,157.52 = 11,756,221.50 : x
  2. Step 2: Convert to fraction form
    15,295,192.50/21,067,157.52 = 11,756,221.50/x
  3. Step 3: Cross multiply
    15,295,192.50x = 21,067,157.52 × 11,756,221.50
  4. Step 4: Simplify right side
    15,295,192.50x = 247,670,170,180,510.69
  5. Step 5: Solve for x
    x = 247,670,170,180,510.69/15,295,192.50
  6. Step 6: Final answer
    x = 16,192,680.82

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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.