Home / 20,078,447.04-30,104,356.32-7,297,433.28

Finding the Fourth Proportional to 20,078,447.04, 30,104,356.32 and 7,297,433.28

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Solution

The fourth proportional to 20,078,447.04, 30,104,356.32 and 7,297,433.28 is: 10,941,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,447.04 : 30,104,356.32 = 7,297,433.28 : x
  2. Step 2: Convert to fraction form
    20,078,447.04/30,104,356.32 = 7,297,433.28/x
  3. Step 3: Cross multiply
    20,078,447.04x = 30,104,356.32 × 7,297,433.28
  4. Step 4: Simplify right side
    20,078,447.04x = 219,684,531,682,546.34
  5. Step 5: Solve for x
    x = 219,684,531,682,546.34/20,078,447.04
  6. Step 6: Final answer
    x = 10,941,310.91

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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.