Home / 12,575,133.78-18,862,698.24-5,382,003.30

Finding the Fourth Proportional to 12,575,133.78, 18,862,698.24 and 5,382,003.30

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Solution

The fourth proportional to 12,575,133.78, 18,862,698.24 and 5,382,003.30 is: 8,073,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575,133.78 : 18,862,698.24 = 5,382,003.30 : x
  2. Step 2: Convert to fraction form
    12,575,133.78/18,862,698.24 = 5,382,003.30/x
  3. Step 3: Cross multiply
    12,575,133.78x = 18,862,698.24 × 5,382,003.30
  4. Step 4: Simplify right side
    12,575,133.78x = 101,519,104,174,584.17
  5. Step 5: Solve for x
    x = 101,519,104,174,584.17/12,575,133.78
  6. Step 6: Final answer
    x = 8,073,003.91

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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.