Home / 12,073,966.84-16,660,560.44-8,162,234.39

Finding the Fourth Proportional to 12,073,966.84, 16,660,560.44 and 8,162,234.39

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Solution

The fourth proportional to 12,073,966.84, 16,660,560.44 and 8,162,234.39 is: 11,262,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,966.84 : 16,660,560.44 = 8,162,234.39 : x
  2. Step 2: Convert to fraction form
    12,073,966.84/16,660,560.44 = 8,162,234.39/x
  3. Step 3: Cross multiply
    12,073,966.84x = 16,660,560.44 × 8,162,234.39
  4. Step 4: Simplify right side
    12,073,966.84x = 135,987,399,380,881.77
  5. Step 5: Solve for x
    x = 135,987,399,380,881.77/12,073,966.84
  6. Step 6: Final answer
    x = 11,262,860.10

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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.