Home / 15,659,726.80-23,489,590.20-13,270,939.60

Finding the Fourth Proportional to 15,659,726.80, 23,489,590.20 and 13,270,939.60

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Solution

The fourth proportional to 15,659,726.80, 23,489,590.20 and 13,270,939.60 is: 19,906,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659,726.80 : 23,489,590.20 = 13,270,939.60 : x
  2. Step 2: Convert to fraction form
    15,659,726.80/23,489,590.20 = 13,270,939.60/x
  3. Step 3: Cross multiply
    15,659,726.80x = 23,489,590.20 × 13,270,939.60
  4. Step 4: Simplify right side
    15,659,726.80x = 311,728,932,772,951.88
  5. Step 5: Solve for x
    x = 311,728,932,772,951.88/15,659,726.80
  6. Step 6: Final answer
    x = 19,906,409.40

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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.