Home / 13,800,376.46-20,674,033.58-7,716,656.40

Finding the Fourth Proportional to 13,800,376.46, 20,674,033.58 and 7,716,656.40

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Solution

The fourth proportional to 13,800,376.46, 20,674,033.58 and 7,716,656.40 is: 11,560,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,376.46 : 20,674,033.58 = 7,716,656.40 : x
  2. Step 2: Convert to fraction form
    13,800,376.46/20,674,033.58 = 7,716,656.40/x
  3. Step 3: Cross multiply
    13,800,376.46x = 20,674,033.58 × 7,716,656.40
  4. Step 4: Simplify right side
    13,800,376.46x = 159,534,413,558,213.56
  5. Step 5: Solve for x
    x = 159,534,413,558,213.56/13,800,376.46
  6. Step 6: Final answer
    x = 11,560,149.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.