Home / 13,153,098.53-18,151,658.30-7,192,855.73

Finding the Fourth Proportional to 13,153,098.53, 18,151,658.30 and 7,192,855.73

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Solution

The fourth proportional to 13,153,098.53, 18,151,658.30 and 7,192,855.73 is: 9,926,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,098.53 : 18,151,658.30 = 7,192,855.73 : x
  2. Step 2: Convert to fraction form
    13,153,098.53/18,151,658.30 = 7,192,855.73/x
  3. Step 3: Cross multiply
    13,153,098.53x = 18,151,658.30 × 7,192,855.73
  4. Step 4: Simplify right side
    13,153,098.53x = 130,562,259,376,192.80
  5. Step 5: Solve for x
    x = 130,562,259,376,192.80/13,153,098.53
  6. Step 6: Final answer
    x = 9,926,349.98

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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.