Home / 12,129,489.62-16,737,975.33-6,621,766.10

Finding the Fourth Proportional to 12,129,489.62, 16,737,975.33 and 6,621,766.10

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Solution

The fourth proportional to 12,129,489.62, 16,737,975.33 and 6,621,766.10 is: 9,137,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,489.62 : 16,737,975.33 = 6,621,766.10 : x
  2. Step 2: Convert to fraction form
    12,129,489.62/16,737,975.33 = 6,621,766.10/x
  3. Step 3: Cross multiply
    12,129,489.62x = 16,737,975.33 × 6,621,766.10
  4. Step 4: Simplify right side
    12,129,489.62x = 110,834,957,622,830.31
  5. Step 5: Solve for x
    x = 110,834,957,622,830.31/12,129,489.62
  6. Step 6: Final answer
    x = 9,137,643.96

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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.