Home / 7,418,622.80-11,127,934.20-5,505,435.20

Finding the Fourth Proportional to 7,418,622.80, 11,127,934.20 and 5,505,435.20

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Solution

The fourth proportional to 7,418,622.80, 11,127,934.20 and 5,505,435.20 is: 8,258,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,622.80 : 11,127,934.20 = 5,505,435.20 : x
  2. Step 2: Convert to fraction form
    7,418,622.80/11,127,934.20 = 5,505,435.20/x
  3. Step 3: Cross multiply
    7,418,622.80x = 11,127,934.20 × 5,505,435.20
  4. Step 4: Simplify right side
    7,418,622.80x = 61,264,120,647,963.84
  5. Step 5: Solve for x
    x = 61,264,120,647,963.84/7,418,622.80
  6. Step 6: Final answer
    x = 8,258,152.80

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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.