Home / 5,255,435.12-7,254,467.16-4,091,575.28

Finding the Fourth Proportional to 5,255,435.12, 7,254,467.16 and 4,091,575.28

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Solution

The fourth proportional to 5,255,435.12, 7,254,467.16 and 4,091,575.28 is: 5,647,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,435.12 : 7,254,467.16 = 4,091,575.28 : x
  2. Step 2: Convert to fraction form
    5,255,435.12/7,254,467.16 = 4,091,575.28/x
  3. Step 3: Cross multiply
    5,255,435.12x = 7,254,467.16 × 4,091,575.28
  4. Step 4: Simplify right side
    5,255,435.12x = 29,682,198,501,427.80
  5. Step 5: Solve for x
    x = 29,682,198,501,427.80/5,255,435.12
  6. Step 6: Final answer
    x = 5,647,905.04

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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.