Home / 7,856,367.32-11,787,429.64-3,308,560.98

Finding the Fourth Proportional to 7,856,367.32, 11,787,429.64 and 3,308,560.98

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Solution

The fourth proportional to 7,856,367.32, 11,787,429.64 and 3,308,560.98 is: 4,964,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,367.32 : 11,787,429.64 = 3,308,560.98 : x
  2. Step 2: Convert to fraction form
    7,856,367.32/11,787,429.64 = 3,308,560.98/x
  3. Step 3: Cross multiply
    7,856,367.32x = 11,787,429.64 × 3,308,560.98
  4. Step 4: Simplify right side
    7,856,367.32x = 38,999,429,761,399.45
  5. Step 5: Solve for x
    x = 38,999,429,761,399.45/7,856,367.32
  6. Step 6: Final answer
    x = 4,964,053.76

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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.