Home / 18,279,992.33-25,211,680.20-16,070,130.15

Finding the Fourth Proportional to 18,279,992.33, 25,211,680.20 and 16,070,130.15

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Solution

The fourth proportional to 18,279,992.33, 25,211,680.20 and 16,070,130.15 is: 22,163,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,992.33 : 25,211,680.20 = 16,070,130.15 : x
  2. Step 2: Convert to fraction form
    18,279,992.33/25,211,680.20 = 16,070,130.15/x
  3. Step 3: Cross multiply
    18,279,992.33x = 25,211,680.20 × 16,070,130.15
  4. Step 4: Simplify right side
    18,279,992.33x = 405,154,982,019,634.25
  5. Step 5: Solve for x
    x = 405,154,982,019,634.25/18,279,992.33
  6. Step 6: Final answer
    x = 22,163,848.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.