Home / 7,189,815.30-9,922,189.96-4,252,150.62

Finding the Fourth Proportional to 7,189,815.30, 9,922,189.96 and 4,252,150.62

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Solution

The fourth proportional to 7,189,815.30, 9,922,189.96 and 4,252,150.62 is: 5,868,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,815.30 : 9,922,189.96 = 4,252,150.62 : x
  2. Step 2: Convert to fraction form
    7,189,815.30/9,922,189.96 = 4,252,150.62/x
  3. Step 3: Cross multiply
    7,189,815.30x = 9,922,189.96 × 4,252,150.62
  4. Step 4: Simplify right side
    7,189,815.30x = 42,190,646,190,171.78
  5. Step 5: Solve for x
    x = 42,190,646,190,171.78/7,189,815.30
  6. Step 6: Final answer
    x = 5,868,112.66

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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.