Home / 30,329,760.15-45,494,640.23-18,850,634.55

Finding the Fourth Proportional to 30,329,760.15, 45,494,640.23 and 18,850,634.55

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Solution

The fourth proportional to 30,329,760.15, 45,494,640.23 and 18,850,634.55 is: 28,275,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,760.15 : 45,494,640.23 = 18,850,634.55 : x
  2. Step 2: Convert to fraction form
    30,329,760.15/45,494,640.23 = 18,850,634.55/x
  3. Step 3: Cross multiply
    30,329,760.15x = 45,494,640.23 × 18,850,634.55
  4. Step 4: Simplify right side
    30,329,760.15x = 857,602,836,865,204.88
  5. Step 5: Solve for x
    x = 857,602,836,865,204.88/30,329,760.15
  6. Step 6: Final answer
    x = 28,275,951.83

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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.