Home / 7,856,367.32-11,787,429.63-3,308,560.97

Finding the Fourth Proportional to 7,856,367.32, 11,787,429.63 and 3,308,560.97

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Solution

The fourth proportional to 7,856,367.32, 11,787,429.63 and 3,308,560.97 is: 4,964,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,367.32 : 11,787,429.63 = 3,308,560.97 : x
  2. Step 2: Convert to fraction form
    7,856,367.32/11,787,429.63 = 3,308,560.97/x
  3. Step 3: Cross multiply
    7,856,367.32x = 11,787,429.63 × 3,308,560.97
  4. Step 4: Simplify right side
    7,856,367.32x = 38,999,429,610,439.55
  5. Step 5: Solve for x
    x = 38,999,429,610,439.55/7,856,367.32
  6. Step 6: Final answer
    x = 4,964,053.74

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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.