Home / 8,910,391.04-13,371,208.96-3,792,812.76

Finding the Fourth Proportional to 8,910,391.04, 13,371,208.96 and 3,792,812.76

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Solution

The fourth proportional to 8,910,391.04, 13,371,208.96 and 3,792,812.76 is: 5,691,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,391.04 : 13,371,208.96 = 3,792,812.76 : x
  2. Step 2: Convert to fraction form
    8,910,391.04/13,371,208.96 = 3,792,812.76/x
  3. Step 3: Cross multiply
    8,910,391.04x = 13,371,208.96 × 3,792,812.76
  4. Step 4: Simplify right side
    8,910,391.04x = 50,714,491,960,114.33
  5. Step 5: Solve for x
    x = 50,714,491,960,114.33/8,910,391.04
  6. Step 6: Final answer
    x = 5,691,612.38

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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.