Home / 7,884,057.20-11,822,629.80-3,622,809.20

Finding the Fourth Proportional to 7,884,057.20, 11,822,629.80 and 3,622,809.20

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Solution

The fourth proportional to 7,884,057.20, 11,822,629.80 and 3,622,809.20 is: 5,432,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,057.20 : 11,822,629.80 = 3,622,809.20 : x
  2. Step 2: Convert to fraction form
    7,884,057.20/11,822,629.80 = 3,622,809.20/x
  3. Step 3: Cross multiply
    7,884,057.20x = 11,822,629.80 × 3,622,809.20
  4. Step 4: Simplify right side
    7,884,057.20x = 42,831,132,007,634.16
  5. Step 5: Solve for x
    x = 42,831,132,007,634.16/7,884,057.20
  6. Step 6: Final answer
    x = 5,432,625.73

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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.