Home / 13,990,917.60-19,306,956.52-7,795,644.16

Finding the Fourth Proportional to 13,990,917.60, 19,306,956.52 and 7,795,644.16

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Solution

The fourth proportional to 13,990,917.60, 19,306,956.52 and 7,795,644.16 is: 10,757,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990,917.60 : 19,306,956.52 = 7,795,644.16 : x
  2. Step 2: Convert to fraction form
    13,990,917.60/19,306,956.52 = 7,795,644.16/x
  3. Step 3: Cross multiply
    13,990,917.60x = 19,306,956.52 × 7,795,644.16
  4. Step 4: Simplify right side
    13,990,917.60x = 150,510,162,842,511.94
  5. Step 5: Solve for x
    x = 150,510,162,842,511.94/13,990,917.60
  6. Step 6: Final answer
    x = 10,757,704.90

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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.