Home / 20,441,769.20-30,662,653.80-19,446,441.20

Finding the Fourth Proportional to 20,441,769.20, 30,662,653.80 and 19,446,441.20

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Solution

The fourth proportional to 20,441,769.20, 30,662,653.80 and 19,446,441.20 is: 29,169,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441,769.20 : 30,662,653.80 = 19,446,441.20 : x
  2. Step 2: Convert to fraction form
    20,441,769.20/30,662,653.80 = 19,446,441.20/x
  3. Step 3: Cross multiply
    20,441,769.20x = 30,662,653.80 × 19,446,441.20
  4. Step 4: Simplify right side
    20,441,769.20x = 596,279,494,157,656.50
  5. Step 5: Solve for x
    x = 596,279,494,157,656.50/20,441,769.20
  6. Step 6: Final answer
    x = 29,169,661.80

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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.