Home / 12,954,220.80-19,431,331.20-6,221,011.20

Finding the Fourth Proportional to 12,954,220.80, 19,431,331.20 and 6,221,011.20

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Solution

The fourth proportional to 12,954,220.80, 19,431,331.20 and 6,221,011.20 is: 9,331,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,220.80 : 19,431,331.20 = 6,221,011.20 : x
  2. Step 2: Convert to fraction form
    12,954,220.80/19,431,331.20 = 6,221,011.20/x
  3. Step 3: Cross multiply
    12,954,220.80x = 19,431,331.20 × 6,221,011.20
  4. Step 4: Simplify right side
    12,954,220.80x = 120,882,529,026,109.44
  5. Step 5: Solve for x
    x = 120,882,529,026,109.44/12,954,220.80
  6. Step 6: Final answer
    x = 9,331,516.80

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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.