Home / 7,198,855.38-9,934,419.68-3,935,669.25

Finding the Fourth Proportional to 7,198,855.38, 9,934,419.68 and 3,935,669.25

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Solution

The fourth proportional to 7,198,855.38, 9,934,419.68 and 3,935,669.25 is: 5,431,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198,855.38 : 9,934,419.68 = 3,935,669.25 : x
  2. Step 2: Convert to fraction form
    7,198,855.38/9,934,419.68 = 3,935,669.25/x
  3. Step 3: Cross multiply
    7,198,855.38x = 9,934,419.68 × 3,935,669.25
  4. Step 4: Simplify right side
    7,198,855.38x = 39,098,590,031,492.50
  5. Step 5: Solve for x
    x = 39,098,590,031,492.50/7,198,855.38
  6. Step 6: Final answer
    x = 5,431,223.16

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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.