Home / 20,310,653.85-30,473,564.99-8,183,557.82

Finding the Fourth Proportional to 20,310,653.85, 30,473,564.99 and 8,183,557.82

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Solution

The fourth proportional to 20,310,653.85, 30,473,564.99 and 8,183,557.82 is: 12,278,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,653.85 : 30,473,564.99 = 8,183,557.82 : x
  2. Step 2: Convert to fraction form
    20,310,653.85/30,473,564.99 = 8,183,557.82/x
  3. Step 3: Cross multiply
    20,310,653.85x = 30,473,564.99 × 8,183,557.82
  4. Step 4: Simplify right side
    20,310,653.85x = 249,382,180,883,907.12
  5. Step 5: Solve for x
    x = 249,382,180,883,907.12/20,310,653.85
  6. Step 6: Final answer
    x = 12,278,392.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.