Home / 12,671,178.84-17,500,660.20-8,589,711.96

Finding the Fourth Proportional to 12,671,178.84, 17,500,660.20 and 8,589,711.96

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Solution

The fourth proportional to 12,671,178.84, 17,500,660.20 and 8,589,711.96 is: 11,863,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,178.84 : 17,500,660.20 = 8,589,711.96 : x
  2. Step 2: Convert to fraction form
    12,671,178.84/17,500,660.20 = 8,589,711.96/x
  3. Step 3: Cross multiply
    12,671,178.84x = 17,500,660.20 × 8,589,711.96
  4. Step 4: Simplify right side
    12,671,178.84x = 150,325,630,227,836
  5. Step 5: Solve for x
    x = 150,325,630,227,836/12,671,178.84
  6. Step 6: Final answer
    x = 11,863,586.82

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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.