Home / 7,750,204.80-11,620,058.40-3,960,571.20

Finding the Fourth Proportional to 7,750,204.80, 11,620,058.40 and 3,960,571.20

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Solution

The fourth proportional to 7,750,204.80, 11,620,058.40 and 3,960,571.20 is: 5,938,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750,204.80 : 11,620,058.40 = 3,960,571.20 : x
  2. Step 2: Convert to fraction form
    7,750,204.80/11,620,058.40 = 3,960,571.20/x
  3. Step 3: Cross multiply
    7,750,204.80x = 11,620,058.40 × 3,960,571.20
  4. Step 4: Simplify right side
    7,750,204.80x = 46,022,068,641,358.09
  5. Step 5: Solve for x
    x = 46,022,068,641,358.09/7,750,204.80
  6. Step 6: Final answer
    x = 5,938,174.52

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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.