Home / 10,519,773.60-15,770,186.40-3,783,450.72

Finding the Fourth Proportional to 10,519,773.60, 15,770,186.40 and 3,783,450.72

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Solution

The fourth proportional to 10,519,773.60, 15,770,186.40 and 3,783,450.72 is: 5,671,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,773.60 : 15,770,186.40 = 3,783,450.72 : x
  2. Step 2: Convert to fraction form
    10,519,773.60/15,770,186.40 = 3,783,450.72/x
  3. Step 3: Cross multiply
    10,519,773.60x = 15,770,186.40 × 3,783,450.72
  4. Step 4: Simplify right side
    10,519,773.60x = 59,665,723,089,614.21
  5. Step 5: Solve for x
    x = 59,665,723,089,614.21/10,519,773.60
  6. Step 6: Final answer
    x = 5,671,768.74

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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.