Home / 12,099,647.80-16,678,606.42-8,225,442.91

Finding the Fourth Proportional to 12,099,647.80, 16,678,606.42 and 8,225,442.91

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Solution

The fourth proportional to 12,099,647.80, 16,678,606.42 and 8,225,442.91 is: 11,338,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,647.80 : 16,678,606.42 = 8,225,442.91 : x
  2. Step 2: Convert to fraction form
    12,099,647.80/16,678,606.42 = 8,225,442.91/x
  3. Step 3: Cross multiply
    12,099,647.80x = 16,678,606.42 × 8,225,442.91
  4. Step 4: Simplify right side
    12,099,647.80x = 137,188,924,894,654.77
  5. Step 5: Solve for x
    x = 137,188,924,894,654.77/12,099,647.80
  6. Step 6: Final answer
    x = 11,338,257.71

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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.