Home / 7,189,836.48-9,922,219.21-4,252,171.82

Finding the Fourth Proportional to 7,189,836.48, 9,922,219.21 and 4,252,171.82

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Solution

The fourth proportional to 7,189,836.48, 9,922,219.21 and 4,252,171.82 is: 5,868,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,836.48 : 9,922,219.21 = 4,252,171.82 : x
  2. Step 2: Convert to fraction form
    7,189,836.48/9,922,219.21 = 4,252,171.82/x
  3. Step 3: Cross multiply
    7,189,836.48x = 9,922,219.21 × 4,252,171.82
  4. Step 4: Simplify right side
    7,189,836.48x = 42,190,980,916,624.67
  5. Step 5: Solve for x
    x = 42,190,980,916,624.67/7,189,836.48
  6. Step 6: Final answer
    x = 5,868,141.93

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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.