Home / 7,241,007.77-9,992,597.27-3,978,033.87

Finding the Fourth Proportional to 7,241,007.77, 9,992,597.27 and 3,978,033.87

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Solution

The fourth proportional to 7,241,007.77, 9,992,597.27 and 3,978,033.87 is: 5,489,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,007.77 : 9,992,597.27 = 3,978,033.87 : x
  2. Step 2: Convert to fraction form
    7,241,007.77/9,992,597.27 = 3,978,033.87/x
  3. Step 3: Cross multiply
    7,241,007.77x = 9,992,597.27 × 3,978,033.87
  4. Step 4: Simplify right side
    7,241,007.77x = 39,750,890,369,439.37
  5. Step 5: Solve for x
    x = 39,750,890,369,439.37/7,241,007.77
  6. Step 6: Final answer
    x = 5,489,690.34

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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.