Home / 19,007,998.20-28,511,997.30-11,431,063.80

Finding the Fourth Proportional to 19,007,998.20, 28,511,997.30 and 11,431,063.80

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Solution

The fourth proportional to 19,007,998.20, 28,511,997.30 and 11,431,063.80 is: 17,146,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007,998.20 : 28,511,997.30 = 11,431,063.80 : x
  2. Step 2: Convert to fraction form
    19,007,998.20/28,511,997.30 = 11,431,063.80/x
  3. Step 3: Cross multiply
    19,007,998.20x = 28,511,997.30 × 11,431,063.80
  4. Step 4: Simplify right side
    19,007,998.20x = 325,922,460,201,727.75
  5. Step 5: Solve for x
    x = 325,922,460,201,727.75/19,007,998.20
  6. Step 6: Final answer
    x = 17,146,595.70

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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.