Home / 19,007,998.80-28,511,998.20-6,225,421.20

Finding the Fourth Proportional to 19,007,998.80, 28,511,998.20 and 6,225,421.20

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Solution

The fourth proportional to 19,007,998.80, 28,511,998.20 and 6,225,421.20 is: 9,338,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007,998.80 : 28,511,998.20 = 6,225,421.20 : x
  2. Step 2: Convert to fraction form
    19,007,998.80/28,511,998.20 = 6,225,421.20/x
  3. Step 3: Cross multiply
    19,007,998.80x = 28,511,998.20 × 6,225,421.20
  4. Step 4: Simplify right side
    19,007,998.80x = 177,499,198,048,641.84
  5. Step 5: Solve for x
    x = 177,499,198,048,641.84/19,007,998.80
  6. Step 6: Final answer
    x = 9,338,131.80

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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.