Home / 11,338,854.80-17,008,282.20-4,147,998.80

Finding the Fourth Proportional to 11,338,854.80, 17,008,282.20 and 4,147,998.80

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Solution

The fourth proportional to 11,338,854.80, 17,008,282.20 and 4,147,998.80 is: 6,221,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338,854.80 : 17,008,282.20 = 4,147,998.80 : x
  2. Step 2: Convert to fraction form
    11,338,854.80/17,008,282.20 = 4,147,998.80/x
  3. Step 3: Cross multiply
    11,338,854.80x = 17,008,282.20 × 4,147,998.80
  4. Step 4: Simplify right side
    11,338,854.80x = 70,550,334,155,661.36
  5. Step 5: Solve for x
    x = 70,550,334,155,661.36/11,338,854.80
  6. Step 6: Final answer
    x = 6,221,998.20

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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.