Home / 9,910,472.76-13,673,387.38-5,777,578.50

Finding the Fourth Proportional to 9,910,472.76, 13,673,387.38 and 5,777,578.50

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Solution

The fourth proportional to 9,910,472.76, 13,673,387.38 and 5,777,578.50 is: 7,971,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910,472.76 : 13,673,387.38 = 5,777,578.50 : x
  2. Step 2: Convert to fraction form
    9,910,472.76/13,673,387.38 = 5,777,578.50/x
  3. Step 3: Cross multiply
    9,910,472.76x = 13,673,387.38 × 5,777,578.50
  4. Step 4: Simplify right side
    9,910,472.76x = 78,999,068,948,859.33
  5. Step 5: Solve for x
    x = 78,999,068,948,859.33/9,910,472.76
  6. Step 6: Final answer
    x = 7,971,271.49

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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.