Home / 10,086,216.40-15,120,139.20-3,694,927.60

Finding the Fourth Proportional to 10,086,216.40, 15,120,139.20 and 3,694,927.60

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Solution

The fourth proportional to 10,086,216.40, 15,120,139.20 and 3,694,927.60 is: 5,539,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,216.40 : 15,120,139.20 = 3,694,927.60 : x
  2. Step 2: Convert to fraction form
    10,086,216.40/15,120,139.20 = 3,694,927.60/x
  3. Step 3: Cross multiply
    10,086,216.40x = 15,120,139.20 × 3,694,927.60
  4. Step 4: Simplify right side
    10,086,216.40x = 55,867,819,645,921.92
  5. Step 5: Solve for x
    x = 55,867,819,645,921.92/10,086,216.40
  6. Step 6: Final answer
    x = 5,539,026.47

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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.