Home / 22,011,037.20-30,375,290.39-12,221,500.32

Finding the Fourth Proportional to 22,011,037.20, 30,375,290.39 and 12,221,500.32

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Solution

The fourth proportional to 22,011,037.20, 30,375,290.39 and 12,221,500.32 is: 16,865,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011,037.20 : 30,375,290.39 = 12,221,500.32 : x
  2. Step 2: Convert to fraction form
    22,011,037.20/30,375,290.39 = 12,221,500.32/x
  3. Step 3: Cross multiply
    22,011,037.20x = 30,375,290.39 × 12,221,500.32
  4. Step 4: Simplify right side
    22,011,037.20x = 371,231,621,160,370.44
  5. Step 5: Solve for x
    x = 371,231,621,160,370.44/22,011,037.20
  6. Step 6: Final answer
    x = 16,865,703.23

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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.