Home / 11,191,195.80-16,786,793.70-7,789,973.40

Finding the Fourth Proportional to 11,191,195.80, 16,786,793.70 and 7,789,973.40

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Solution

The fourth proportional to 11,191,195.80, 16,786,793.70 and 7,789,973.40 is: 11,684,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,195.80 : 16,786,793.70 = 7,789,973.40 : x
  2. Step 2: Convert to fraction form
    11,191,195.80/16,786,793.70 = 7,789,973.40/x
  3. Step 3: Cross multiply
    11,191,195.80x = 16,786,793.70 × 7,789,973.40
  4. Step 4: Simplify right side
    11,191,195.80x = 130,768,676,394,287.58
  5. Step 5: Solve for x
    x = 130,768,676,394,287.58/11,191,195.80
  6. Step 6: Final answer
    x = 11,684,960.10

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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.