Home / 9,165,861.96-13,748,811.36-3,409,857.78

Finding the Fourth Proportional to 9,165,861.96, 13,748,811.36 and 3,409,857.78

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Solution

The fourth proportional to 9,165,861.96, 13,748,811.36 and 3,409,857.78 is: 5,114,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,861.96 : 13,748,811.36 = 3,409,857.78 : x
  2. Step 2: Convert to fraction form
    9,165,861.96/13,748,811.36 = 3,409,857.78/x
  3. Step 3: Cross multiply
    9,165,861.96x = 13,748,811.36 × 3,409,857.78
  4. Step 4: Simplify right side
    9,165,861.96x = 46,881,491,381,648.38
  5. Step 5: Solve for x
    x = 46,881,491,381,648.38/9,165,861.96
  6. Step 6: Final answer
    x = 5,114,793.52

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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.