Home / 10,203,037.20-15,321,144.60-7,382,941.20

Finding the Fourth Proportional to 10,203,037.20, 15,321,144.60 and 7,382,941.20

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Solution

The fourth proportional to 10,203,037.20, 15,321,144.60 and 7,382,941.20 is: 11,086,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,037.20 : 15,321,144.60 = 7,382,941.20 : x
  2. Step 2: Convert to fraction form
    10,203,037.20/15,321,144.60 = 7,382,941.20/x
  3. Step 3: Cross multiply
    10,203,037.20x = 15,321,144.60 × 7,382,941.20
  4. Step 4: Simplify right side
    10,203,037.20x = 113,115,109,698,497.52
  5. Step 5: Solve for x
    x = 113,115,109,698,497.52/10,203,037.20
  6. Step 6: Final answer
    x = 11,086,415.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.