Home / 30,396,471.90-41,947,152.39-16,645,438.86

Finding the Fourth Proportional to 30,396,471.90, 41,947,152.39 and 16,645,438.86

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Solution

The fourth proportional to 30,396,471.90, 41,947,152.39 and 16,645,438.86 is: 22,970,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,396,471.90 : 41,947,152.39 = 16,645,438.86 : x
  2. Step 2: Convert to fraction form
    30,396,471.90/41,947,152.39 = 16,645,438.86/x
  3. Step 3: Cross multiply
    30,396,471.90x = 41,947,152.39 × 16,645,438.86
  4. Step 4: Simplify right side
    30,396,471.90x = 698,228,760,458,847.88
  5. Step 5: Solve for x
    x = 698,228,760,458,847.88/30,396,471.90
  6. Step 6: Final answer
    x = 22,970,717.22

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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.