Home / 6,789,577.85-9,369,863.81-3,889,529.21

Finding the Fourth Proportional to 6,789,577.85, 9,369,863.81 and 3,889,529.21

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Solution

The fourth proportional to 6,789,577.85, 9,369,863.81 and 3,889,529.21 is: 5,367,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,577.85 : 9,369,863.81 = 3,889,529.21 : x
  2. Step 2: Convert to fraction form
    6,789,577.85/9,369,863.81 = 3,889,529.21/x
  3. Step 3: Cross multiply
    6,789,577.85x = 9,369,863.81 × 3,889,529.21
  4. Step 4: Simplify right side
    6,789,577.85x = 36,444,358,982,716.89
  5. Step 5: Solve for x
    x = 36,444,358,982,716.89/6,789,577.85
  6. Step 6: Final answer
    x = 5,367,691.45

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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.