Home / 12,220,161.12-16,863,828.84-6,713,890.92

Finding the Fourth Proportional to 12,220,161.12, 16,863,828.84 and 6,713,890.92

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Solution

The fourth proportional to 12,220,161.12, 16,863,828.84 and 6,713,890.92 is: 9,265,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,161.12 : 16,863,828.84 = 6,713,890.92 : x
  2. Step 2: Convert to fraction form
    12,220,161.12/16,863,828.84 = 6,713,890.92/x
  3. Step 3: Cross multiply
    12,220,161.12x = 16,863,828.84 × 6,713,890.92
  4. Step 4: Simplify right side
    12,220,161.12x = 113,221,907,325,310.12
  5. Step 5: Solve for x
    x = 113,221,907,325,310.12/12,220,161.12
  6. Step 6: Final answer
    x = 9,265,173.04

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1.5x scale

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.