Home / 12,099,647.42-16,678,605.90-8,225,442.53

Finding the Fourth Proportional to 12,099,647.42, 16,678,605.90 and 8,225,442.53

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Solution

The fourth proportional to 12,099,647.42, 16,678,605.90 and 8,225,442.53 is: 11,338,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,647.42 : 16,678,605.90 = 8,225,442.53 : x
  2. Step 2: Convert to fraction form
    12,099,647.42/16,678,605.90 = 8,225,442.53/x
  3. Step 3: Cross multiply
    12,099,647.42x = 16,678,605.90 × 8,225,442.53
  4. Step 4: Simplify right side
    12,099,647.42x = 137,188,914,383,510.84
  5. Step 5: Solve for x
    x = 137,188,914,383,510.84/12,099,647.42
  6. Step 6: Final answer
    x = 11,338,257.19

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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.