Home / 7,190,791.13-9,923,226.44-3,927,605.18

Finding the Fourth Proportional to 7,190,791.13, 9,923,226.44 and 3,927,605.18

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Solution

The fourth proportional to 7,190,791.13, 9,923,226.44 and 3,927,605.18 is: 5,420,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,791.13 : 9,923,226.44 = 3,927,605.18 : x
  2. Step 2: Convert to fraction form
    7,190,791.13/9,923,226.44 = 3,927,605.18/x
  3. Step 3: Cross multiply
    7,190,791.13x = 9,923,226.44 × 3,927,605.18
  4. Step 4: Simplify right side
    7,190,791.13x = 38,974,515,498,802.80
  5. Step 5: Solve for x
    x = 38,974,515,498,802.80/7,190,791.13
  6. Step 6: Final answer
    x = 5,420,059.46

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Why These Related Problems?

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