Home / 20,589,455.04-28,413,970.92-11,297,022.66

Finding the Fourth Proportional to 20,589,455.04, 28,413,970.92 and 11,297,022.66

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Solution

The fourth proportional to 20,589,455.04, 28,413,970.92 and 11,297,022.66 is: 15,590,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,455.04 : 28,413,970.92 = 11,297,022.66 : x
  2. Step 2: Convert to fraction form
    20,589,455.04/28,413,970.92 = 11,297,022.66/x
  3. Step 3: Cross multiply
    20,589,455.04x = 28,413,970.92 × 11,297,022.66
  4. Step 4: Simplify right side
    20,589,455.04x = 320,993,273,343,821.06
  5. Step 5: Solve for x
    x = 320,993,273,343,821.06/20,589,455.04
  6. Step 6: Final answer
    x = 15,590,178.21

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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.