Home / 14,722,767.36-20,315,328.32-8,195,490.56

Finding the Fourth Proportional to 14,722,767.36, 20,315,328.32 and 8,195,490.56

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Solution

The fourth proportional to 14,722,767.36, 20,315,328.32 and 8,195,490.56 is: 11,308,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722,767.36 : 20,315,328.32 = 8,195,490.56 : x
  2. Step 2: Convert to fraction form
    14,722,767.36/20,315,328.32 = 8,195,490.56/x
  3. Step 3: Cross multiply
    14,722,767.36x = 20,315,328.32 × 8,195,490.56
  4. Step 4: Simplify right side
    14,722,767.36x = 166,494,081,469,860.66
  5. Step 5: Solve for x
    x = 166,494,081,469,860.66/14,722,767.36
  6. Step 6: Final answer
    x = 11,308,613.21

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1.5x scale

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.