Home / 12,395,119.20-17,106,336.72-7,240,140.96

Finding the Fourth Proportional to 12,395,119.20, 17,106,336.72 and 7,240,140.96

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Solution

The fourth proportional to 12,395,119.20, 17,106,336.72 and 7,240,140.96 is: 9,992,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,119.20 : 17,106,336.72 = 7,240,140.96 : x
  2. Step 2: Convert to fraction form
    12,395,119.20/17,106,336.72 = 7,240,140.96/x
  3. Step 3: Cross multiply
    12,395,119.20x = 17,106,336.72 × 7,240,140.96
  4. Step 4: Simplify right side
    12,395,119.20x = 123,852,289,162,024.05
  5. Step 5: Solve for x
    x = 123,852,289,162,024.05/12,395,119.20
  6. Step 6: Final answer
    x = 9,992,020.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.