Home / 12,413,086.85-18,621,257.20-4,101,128.95

Finding the Fourth Proportional to 12,413,086.85, 18,621,257.20 and 4,101,128.95

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Solution

The fourth proportional to 12,413,086.85, 18,621,257.20 and 4,101,128.95 is: 6,152,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,086.85 : 18,621,257.20 = 4,101,128.95 : x
  2. Step 2: Convert to fraction form
    12,413,086.85/18,621,257.20 = 4,101,128.95/x
  3. Step 3: Cross multiply
    12,413,086.85x = 18,621,257.20 × 4,101,128.95
  4. Step 4: Simplify right side
    12,413,086.85x = 76,368,176,988,315.94
  5. Step 5: Solve for x
    x = 76,368,176,988,315.94/12,413,086.85
  6. Step 6: Final answer
    x = 6,152,230.94

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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.