Home / 14,133,074.80-21,199,612.20-13,188,290.80

Finding the Fourth Proportional to 14,133,074.80, 21,199,612.20 and 13,188,290.80

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Solution

The fourth proportional to 14,133,074.80, 21,199,612.20 and 13,188,290.80 is: 19,782,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133,074.80 : 21,199,612.20 = 13,188,290.80 : x
  2. Step 2: Convert to fraction form
    14,133,074.80/21,199,612.20 = 13,188,290.80/x
  3. Step 3: Cross multiply
    14,133,074.80x = 21,199,612.20 × 13,188,290.80
  4. Step 4: Simplify right side
    14,133,074.80x = 279,586,650,540,827.78
  5. Step 5: Solve for x
    x = 279,586,650,540,827.78/14,133,074.80
  6. Step 6: Final answer
    x = 19,782,436.20

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Similar ratio
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1.5x scale

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.