Home / 21,915,544.20-30,244,342.38-12,125,829.24

Finding the Fourth Proportional to 21,915,544.20, 30,244,342.38 and 12,125,829.24

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Solution

The fourth proportional to 21,915,544.20, 30,244,342.38 and 12,125,829.24 is: 16,734,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,544.20 : 30,244,342.38 = 12,125,829.24 : x
  2. Step 2: Convert to fraction form
    21,915,544.20/30,244,342.38 = 12,125,829.24/x
  3. Step 3: Cross multiply
    21,915,544.20x = 30,244,342.38 × 12,125,829.24
  4. Step 4: Simplify right side
    21,915,544.20x = 366,737,731,175,975.19
  5. Step 5: Solve for x
    x = 366,737,731,175,975.19/21,915,544.20
  6. Step 6: Final answer
    x = 16,734,137.55

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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.