Home / 13,153,099.53-18,151,659.68-7,192,856.73

Finding the Fourth Proportional to 13,153,099.53, 18,151,659.68 and 7,192,856.73

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Solution

The fourth proportional to 13,153,099.53, 18,151,659.68 and 7,192,856.73 is: 9,926,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,099.53 : 18,151,659.68 = 7,192,856.73 : x
  2. Step 2: Convert to fraction form
    13,153,099.53/18,151,659.68 = 7,192,856.73/x
  3. Step 3: Cross multiply
    13,153,099.53x = 18,151,659.68 × 7,192,856.73
  4. Step 4: Simplify right side
    13,153,099.53x = 130,562,287,489,957.66
  5. Step 5: Solve for x
    x = 130,562,287,489,957.66/13,153,099.53
  6. Step 6: Final answer
    x = 9,926,351.37

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1.5x scale

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.