Home / 7,231,549.29-9,979,688.48-3,968,173.50

Finding the Fourth Proportional to 7,231,549.29, 9,979,688.48 and 3,968,173.50

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Solution

The fourth proportional to 7,231,549.29, 9,979,688.48 and 3,968,173.50 is: 5,476,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,549.29 : 9,979,688.48 = 3,968,173.50 : x
  2. Step 2: Convert to fraction form
    7,231,549.29/9,979,688.48 = 3,968,173.50/x
  3. Step 3: Cross multiply
    7,231,549.29x = 9,979,688.48 × 3,968,173.50
  4. Step 4: Simplify right side
    7,231,549.29x = 39,601,135,329,647.55
  5. Step 5: Solve for x
    x = 39,601,135,329,647.55/7,231,549.29
  6. Step 6: Final answer
    x = 5,476,161.99

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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.