Home / 20,305,843.32-28,017,530.79-12,041,706.14

Finding the Fourth Proportional to 20,305,843.32, 28,017,530.79 and 12,041,706.14

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Solution

The fourth proportional to 20,305,843.32, 28,017,530.79 and 12,041,706.14 is: 16,614,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305,843.32 : 28,017,530.79 = 12,041,706.14 : x
  2. Step 2: Convert to fraction form
    20,305,843.32/28,017,530.79 = 12,041,706.14/x
  3. Step 3: Cross multiply
    20,305,843.32x = 28,017,530.79 × 12,041,706.14
  4. Step 4: Simplify right side
    20,305,843.32x = 337,378,872,529,138.38
  5. Step 5: Solve for x
    x = 337,378,872,529,138.38/20,305,843.32
  6. Step 6: Final answer
    x = 16,614,866.33

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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.