Home / 40,917,176.34-61,385,867.64-12,163,188.84

Finding the Fourth Proportional to 40,917,176.34, 61,385,867.64 and 12,163,188.84

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Solution

The fourth proportional to 40,917,176.34, 61,385,867.64 and 12,163,188.84 is: 18,247,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917,176.34 : 61,385,867.64 = 12,163,188.84 : x
  2. Step 2: Convert to fraction form
    40,917,176.34/61,385,867.64 = 12,163,188.84/x
  3. Step 3: Cross multiply
    40,917,176.34x = 61,385,867.64 × 12,163,188.84
  4. Step 4: Simplify right side
    40,917,176.34x = 746,647,900,212,565.12
  5. Step 5: Solve for x
    x = 746,647,900,212,565.12/40,917,176.34
  6. Step 6: Final answer
    x = 18,247,786.55

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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.