Home / 11,208,972-16,813,474.20-3,121,970.88

Finding the Fourth Proportional to 11,208,972, 16,813,474.20 and 3,121,970.88

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Solution

The fourth proportional to 11,208,972, 16,813,474.20 and 3,121,970.88 is: 4,682,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208,972 : 16,813,474.20 = 3,121,970.88 : x
  2. Step 2: Convert to fraction form
    11,208,972/16,813,474.20 = 3,121,970.88/x
  3. Step 3: Cross multiply
    11,208,972x = 16,813,474.20 × 3,121,970.88
  4. Step 4: Simplify right side
    11,208,972x = 52,491,176,844,031.29
  5. Step 5: Solve for x
    x = 52,491,176,844,031.29/11,208,972
  6. Step 6: Final answer
    x = 4,682,960.83

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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.