Home / 12,113,653.20-18,145,596.60-6,133,390.80

Finding the Fourth Proportional to 12,113,653.20, 18,145,596.60 and 6,133,390.80

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Solution

The fourth proportional to 12,113,653.20, 18,145,596.60 and 6,133,390.80 is: 9,187,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,653.20 : 18,145,596.60 = 6,133,390.80 : x
  2. Step 2: Convert to fraction form
    12,113,653.20/18,145,596.60 = 6,133,390.80/x
  3. Step 3: Cross multiply
    12,113,653.20x = 18,145,596.60 × 6,133,390.80
  4. Step 4: Simplify right side
    12,113,653.20x = 111,294,035,246,951.28
  5. Step 5: Solve for x
    x = 111,294,035,246,951.28/12,113,653.20
  6. Step 6: Final answer
    x = 9,187,487.33

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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.