Home / 7,920,355.96-11,885,531.64-3,371,397.48

Finding the Fourth Proportional to 7,920,355.96, 11,885,531.64 and 3,371,397.48

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Solution

The fourth proportional to 7,920,355.96, 11,885,531.64 and 3,371,397.48 is: 5,059,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,355.96 : 11,885,531.64 = 3,371,397.48 : x
  2. Step 2: Convert to fraction form
    7,920,355.96/11,885,531.64 = 3,371,397.48/x
  3. Step 3: Cross multiply
    7,920,355.96x = 11,885,531.64 × 3,371,397.48
  4. Step 4: Simplify right side
    7,920,355.96x = 40,070,851,419,556.27
  5. Step 5: Solve for x
    x = 40,070,851,419,556.27/7,920,355.96
  6. Step 6: Final answer
    x = 5,059,223.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.