Home / 8,991,740.32-12,405,768.76-5,503,442.56

Finding the Fourth Proportional to 8,991,740.32, 12,405,768.76 and 5,503,442.56

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Solution

The fourth proportional to 8,991,740.32, 12,405,768.76 and 5,503,442.56 is: 7,593,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,740.32 : 12,405,768.76 = 5,503,442.56 : x
  2. Step 2: Convert to fraction form
    8,991,740.32/12,405,768.76 = 5,503,442.56/x
  3. Step 3: Cross multiply
    8,991,740.32x = 12,405,768.76 × 5,503,442.56
  4. Step 4: Simplify right side
    8,991,740.32x = 68,274,435,783,302.42
  5. Step 5: Solve for x
    x = 68,274,435,783,302.42/8,991,740.32
  6. Step 6: Final answer
    x = 7,593,016.85

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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.