Home / 7,339,201.80-11,008,802.70-3,979,969.80

Finding the Fourth Proportional to 7,339,201.80, 11,008,802.70 and 3,979,969.80

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Solution

The fourth proportional to 7,339,201.80, 11,008,802.70 and 3,979,969.80 is: 5,969,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,201.80 : 11,008,802.70 = 3,979,969.80 : x
  2. Step 2: Convert to fraction form
    7,339,201.80/11,008,802.70 = 3,979,969.80/x
  3. Step 3: Cross multiply
    7,339,201.80x = 11,008,802.70 × 3,979,969.80
  4. Step 4: Simplify right side
    7,339,201.80x = 43,814,702,280,158.45
  5. Step 5: Solve for x
    x = 43,814,702,280,158.45/7,339,201.80
  6. Step 6: Final answer
    x = 5,969,954.70

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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.