Home / 30,865,479.08-42,594,420.66-16,926,932.04

Finding the Fourth Proportional to 30,865,479.08, 42,594,420.66 and 16,926,932.04

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Solution

The fourth proportional to 30,865,479.08, 42,594,420.66 and 16,926,932.04 is: 23,359,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865,479.08 : 42,594,420.66 = 16,926,932.04 : x
  2. Step 2: Convert to fraction form
    30,865,479.08/42,594,420.66 = 16,926,932.04/x
  3. Step 3: Cross multiply
    30,865,479.08x = 42,594,420.66 × 16,926,932.04
  4. Step 4: Simplify right side
    30,865,479.08x = 720,992,863,794,991.88
  5. Step 5: Solve for x
    x = 720,992,863,794,991.88/30,865,479.08
  6. Step 6: Final answer
    x = 23,359,198.86

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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.