Home / 19,391,998.80-29,087,998.20-6,611,365.20

Finding the Fourth Proportional to 19,391,998.80, 29,087,998.20 and 6,611,365.20

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Solution

The fourth proportional to 19,391,998.80, 29,087,998.20 and 6,611,365.20 is: 9,917,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391,998.80 : 29,087,998.20 = 6,611,365.20 : x
  2. Step 2: Convert to fraction form
    19,391,998.80/29,087,998.20 = 6,611,365.20/x
  3. Step 3: Cross multiply
    19,391,998.80x = 29,087,998.20 × 6,611,365.20
  4. Step 4: Simplify right side
    19,391,998.80x = 192,311,379,037,142.62
  5. Step 5: Solve for x
    x = 192,311,379,037,142.62/19,391,998.80
  6. Step 6: Final answer
    x = 9,917,047.80

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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.