Home / 20,570,673.32-30,856,994.10-16,969,763.24

Finding the Fourth Proportional to 20,570,673.32, 30,856,994.10 and 16,969,763.24

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Solution

The fourth proportional to 20,570,673.32, 30,856,994.10 and 16,969,763.24 is: 25,455,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570,673.32 : 30,856,994.10 = 16,969,763.24 : x
  2. Step 2: Convert to fraction form
    20,570,673.32/30,856,994.10 = 16,969,763.24/x
  3. Step 3: Cross multiply
    20,570,673.32x = 30,856,994.10 × 16,969,763.24
  4. Step 4: Simplify right side
    20,570,673.32x = 523,635,884,175,076.88
  5. Step 5: Solve for x
    x = 523,635,884,175,076.88/20,570,673.32
  6. Step 6: Final answer
    x = 25,455,456.71

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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.