Home / 12,722,919.56-17,563,727.23-7,832,333.75

Finding the Fourth Proportional to 12,722,919.56, 17,563,727.23 and 7,832,333.75

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Solution

The fourth proportional to 12,722,919.56, 17,563,727.23 and 7,832,333.75 is: 10,812,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722,919.56 : 17,563,727.23 = 7,832,333.75 : x
  2. Step 2: Convert to fraction form
    12,722,919.56/17,563,727.23 = 7,832,333.75/x
  3. Step 3: Cross multiply
    12,722,919.56x = 17,563,727.23 × 7,832,333.75
  4. Step 4: Simplify right side
    12,722,919.56x = 137,564,973,583,651.50
  5. Step 5: Solve for x
    x = 137,564,973,583,651.50/12,722,919.56
  6. Step 6: Final answer
    x = 10,812,374.71

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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.