Home / 13,576,879.62-18,735,962.16-7,381,926.27

Finding the Fourth Proportional to 13,576,879.62, 18,735,962.16 and 7,381,926.27

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Solution

The fourth proportional to 13,576,879.62, 18,735,962.16 and 7,381,926.27 is: 10,186,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576,879.62 : 18,735,962.16 = 7,381,926.27 : x
  2. Step 2: Convert to fraction form
    13,576,879.62/18,735,962.16 = 7,381,926.27/x
  3. Step 3: Cross multiply
    13,576,879.62x = 18,735,962.16 × 7,381,926.27
  4. Step 4: Simplify right side
    13,576,879.62x = 138,307,491,262,629.94
  5. Step 5: Solve for x
    x = 138,307,491,262,629.94/13,576,879.62
  6. Step 6: Final answer
    x = 10,186,986.64

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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.