Home / 7,231,402.88-9,979,308.48-3,968,271.68

Finding the Fourth Proportional to 7,231,402.88, 9,979,308.48 and 3,968,271.68

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Solution

The fourth proportional to 7,231,402.88, 9,979,308.48 and 3,968,271.68 is: 5,476,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,402.88 : 9,979,308.48 = 3,968,271.68 : x
  2. Step 2: Convert to fraction form
    7,231,402.88/9,979,308.48 = 3,968,271.68/x
  3. Step 3: Cross multiply
    7,231,402.88x = 9,979,308.48 × 3,968,271.68
  4. Step 4: Simplify right side
    7,231,402.88x = 39,600,607,227,167.85
  5. Step 5: Solve for x
    x = 39,600,607,227,167.85/7,231,402.88
  6. Step 6: Final answer
    x = 5,476,199.83

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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.