Home / 13,800,376.96-20,674,034.33-7,716,656.90

Finding the Fourth Proportional to 13,800,376.96, 20,674,034.33 and 7,716,656.90

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Solution

The fourth proportional to 13,800,376.96, 20,674,034.33 and 7,716,656.90 is: 11,560,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,376.96 : 20,674,034.33 = 7,716,656.90 : x
  2. Step 2: Convert to fraction form
    13,800,376.96/20,674,034.33 = 7,716,656.90/x
  3. Step 3: Cross multiply
    13,800,376.96x = 20,674,034.33 × 7,716,656.90
  4. Step 4: Simplify right side
    13,800,376.96x = 159,534,429,663,431.38
  5. Step 5: Solve for x
    x = 159,534,429,663,431.38/13,800,376.96
  6. Step 6: Final answer
    x = 11,560,150.15

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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.