Home / 13,028,519.20-19,542,778.80-10,918,501.60

Finding the Fourth Proportional to 13,028,519.20, 19,542,778.80 and 10,918,501.60

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Solution

The fourth proportional to 13,028,519.20, 19,542,778.80 and 10,918,501.60 is: 16,377,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,519.20 : 19,542,778.80 = 10,918,501.60 : x
  2. Step 2: Convert to fraction form
    13,028,519.20/19,542,778.80 = 10,918,501.60/x
  3. Step 3: Cross multiply
    13,028,519.20x = 19,542,778.80 × 10,918,501.60
  4. Step 4: Simplify right side
    13,028,519.20x = 213,377,861,596,246.09
  5. Step 5: Solve for x
    x = 213,377,861,596,246.09/13,028,519.20
  6. Step 6: Final answer
    x = 16,377,752.40

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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.