Home / 7,022,279.04-9,691,533.20-3,966,690.12

Finding the Fourth Proportional to 7,022,279.04, 9,691,533.20 and 3,966,690.12

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Solution

The fourth proportional to 7,022,279.04, 9,691,533.20 and 3,966,690.12 is: 5,474,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022,279.04 : 9,691,533.20 = 3,966,690.12 : x
  2. Step 2: Convert to fraction form
    7,022,279.04/9,691,533.20 = 3,966,690.12/x
  3. Step 3: Cross multiply
    7,022,279.04x = 9,691,533.20 × 3,966,690.12
  4. Step 4: Simplify right side
    7,022,279.04x = 38,443,308,992,091.98
  5. Step 5: Solve for x
    x = 38,443,308,992,091.98/7,022,279.04
  6. Step 6: Final answer
    x = 5,474,477.56

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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.