Home / 13,511,909.06-20,276,182.39-5,313,108.50

Finding the Fourth Proportional to 13,511,909.06, 20,276,182.39 and 5,313,108.50

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Solution

The fourth proportional to 13,511,909.06, 20,276,182.39 and 5,313,108.50 is: 7,972,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,909.06 : 20,276,182.39 = 5,313,108.50 : x
  2. Step 2: Convert to fraction form
    13,511,909.06/20,276,182.39 = 5,313,108.50/x
  3. Step 3: Cross multiply
    13,511,909.06x = 20,276,182.39 × 5,313,108.50
  4. Step 4: Simplify right side
    13,511,909.06x = 107,729,556,975,193.41
  5. Step 5: Solve for x
    x = 107,729,556,975,193.41/13,511,909.06
  6. Step 6: Final answer
    x = 7,972,933.84

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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.