Home / 18,722,945.60-28,084,418.40-16,203,521.60

Finding the Fourth Proportional to 18,722,945.60, 28,084,418.40 and 16,203,521.60

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Solution

The fourth proportional to 18,722,945.60, 28,084,418.40 and 16,203,521.60 is: 24,305,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,945.60 : 28,084,418.40 = 16,203,521.60 : x
  2. Step 2: Convert to fraction form
    18,722,945.60/28,084,418.40 = 16,203,521.60/x
  3. Step 3: Cross multiply
    18,722,945.60x = 28,084,418.40 × 16,203,521.60
  4. Step 4: Simplify right side
    18,722,945.60x = 455,066,480,167,837.38
  5. Step 5: Solve for x
    x = 455,066,480,167,837.38/18,722,945.60
  6. Step 6: Final answer
    x = 24,305,282.40

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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.