Home / 10,930,441.60-16,381,665.60-8,393,521.60

Finding the Fourth Proportional to 10,930,441.60, 16,381,665.60 and 8,393,521.60

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Solution

The fourth proportional to 10,930,441.60, 16,381,665.60 and 8,393,521.60 is: 12,579,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930,441.60 : 16,381,665.60 = 8,393,521.60 : x
  2. Step 2: Convert to fraction form
    10,930,441.60/16,381,665.60 = 8,393,521.60/x
  3. Step 3: Cross multiply
    10,930,441.60x = 16,381,665.60 × 8,393,521.60
  4. Step 4: Simplify right side
    10,930,441.60x = 137,499,864,057,576.95
  5. Step 5: Solve for x
    x = 137,499,864,057,576.95/10,930,441.60
  6. Step 6: Final answer
    x = 12,579,534.21

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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.