Home / 12,682,017-19,019,029.50-4,160,367.72

Finding the Fourth Proportional to 12,682,017, 19,019,029.50 and 4,160,367.72

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Solution

The fourth proportional to 12,682,017, 19,019,029.50 and 4,160,367.72 is: 6,239,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,017 : 19,019,029.50 = 4,160,367.72 : x
  2. Step 2: Convert to fraction form
    12,682,017/19,019,029.50 = 4,160,367.72/x
  3. Step 3: Cross multiply
    12,682,017x = 19,019,029.50 × 4,160,367.72
  4. Step 4: Simplify right side
    12,682,017x = 79,126,156,397,527.75
  5. Step 5: Solve for x
    x = 79,126,156,397,527.75/12,682,017
  6. Step 6: Final answer
    x = 6,239,240.68

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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.