Home / 19,336,761.63-28,998,990.05-6,380,497.31

Finding the Fourth Proportional to 19,336,761.63, 28,998,990.05 and 6,380,497.31

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Solution

The fourth proportional to 19,336,761.63, 28,998,990.05 and 6,380,497.31 is: 9,568,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336,761.63 : 28,998,990.05 = 6,380,497.31 : x
  2. Step 2: Convert to fraction form
    19,336,761.63/28,998,990.05 = 6,380,497.31/x
  3. Step 3: Cross multiply
    19,336,761.63x = 28,998,990.05 × 6,380,497.31
  4. Step 4: Simplify right side
    19,336,761.63x = 185,027,977,829,844.34
  5. Step 5: Solve for x
    x = 185,027,977,829,844.34/19,336,761.63
  6. Step 6: Final answer
    x = 9,568,715.87

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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.