Home / 18,794,130.80-28,191,196.20-11,235,858.80

Finding the Fourth Proportional to 18,794,130.80, 28,191,196.20 and 11,235,858.80

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Solution

The fourth proportional to 18,794,130.80, 28,191,196.20 and 11,235,858.80 is: 16,853,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,130.80 : 28,191,196.20 = 11,235,858.80 : x
  2. Step 2: Convert to fraction form
    18,794,130.80/28,191,196.20 = 11,235,858.80/x
  3. Step 3: Cross multiply
    18,794,130.80x = 28,191,196.20 × 11,235,858.80
  4. Step 4: Simplify right side
    18,794,130.80x = 316,752,299,906,296.56
  5. Step 5: Solve for x
    x = 316,752,299,906,296.56/18,794,130.80
  6. Step 6: Final answer
    x = 16,853,788.20

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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.