Home / 13,879,872.57-20,824,164.33-8,346,776.55

Finding the Fourth Proportional to 13,879,872.57, 20,824,164.33 and 8,346,776.55

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Solution

The fourth proportional to 13,879,872.57, 20,824,164.33 and 8,346,776.55 is: 12,522,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,872.57 : 20,824,164.33 = 8,346,776.55 : x
  2. Step 2: Convert to fraction form
    13,879,872.57/20,824,164.33 = 8,346,776.55/x
  3. Step 3: Cross multiply
    13,879,872.57x = 20,824,164.33 × 8,346,776.55
  4. Step 4: Simplify right side
    13,879,872.57x = 173,814,646,502,990.44
  5. Step 5: Solve for x
    x = 173,814,646,502,990.44/13,879,872.57
  6. Step 6: Final answer
    x = 12,522,784.03

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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.