Home / 7,378,848.64-11,071,635.84-3,787,137.76

Finding the Fourth Proportional to 7,378,848.64, 11,071,635.84 and 3,787,137.76

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Solution

The fourth proportional to 7,378,848.64, 11,071,635.84 and 3,787,137.76 is: 5,682,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,848.64 : 11,071,635.84 = 3,787,137.76 : x
  2. Step 2: Convert to fraction form
    7,378,848.64/11,071,635.84 = 3,787,137.76/x
  3. Step 3: Cross multiply
    7,378,848.64x = 11,071,635.84 × 3,787,137.76
  4. Step 4: Simplify right side
    7,378,848.64x = 41,929,810,154,633.31
  5. Step 5: Solve for x
    x = 41,929,810,154,633.31/7,378,848.64
  6. Step 6: Final answer
    x = 5,682,432.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.