Home / 10,086,190.40-15,120,100.20-3,694,901.60

Finding the Fourth Proportional to 10,086,190.40, 15,120,100.20 and 3,694,901.60

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Solution

The fourth proportional to 10,086,190.40, 15,120,100.20 and 3,694,901.60 is: 5,538,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,190.40 : 15,120,100.20 = 3,694,901.60 : x
  2. Step 2: Convert to fraction form
    10,086,190.40/15,120,100.20 = 3,694,901.60/x
  3. Step 3: Cross multiply
    10,086,190.40x = 15,120,100.20 × 3,694,901.60
  4. Step 4: Simplify right side
    10,086,190.40x = 55,867,282,421,140.32
  5. Step 5: Solve for x
    x = 55,867,282,421,140.32/10,086,190.40
  6. Step 6: Final answer
    x = 5,538,987.49

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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.