Home / 17,320,618.80-25,980,928.20-13,289,540.40

Finding the Fourth Proportional to 17,320,618.80, 25,980,928.20 and 13,289,540.40

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Solution

The fourth proportional to 17,320,618.80, 25,980,928.20 and 13,289,540.40 is: 19,934,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320,618.80 : 25,980,928.20 = 13,289,540.40 : x
  2. Step 2: Convert to fraction form
    17,320,618.80/25,980,928.20 = 13,289,540.40/x
  3. Step 3: Cross multiply
    17,320,618.80x = 25,980,928.20 × 13,289,540.40
  4. Step 4: Simplify right side
    17,320,618.80x = 345,274,594,943,399.25
  5. Step 5: Solve for x
    x = 345,274,594,943,399.25/17,320,618.80
  6. Step 6: Final answer
    x = 19,934,310.60

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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.