Home / 11,862,907.20-17,794,360.80-5,485,615.20

Finding the Fourth Proportional to 11,862,907.20, 17,794,360.80 and 5,485,615.20

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Solution

The fourth proportional to 11,862,907.20, 17,794,360.80 and 5,485,615.20 is: 8,228,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,907.20 : 17,794,360.80 = 5,485,615.20 : x
  2. Step 2: Convert to fraction form
    11,862,907.20/17,794,360.80 = 5,485,615.20/x
  3. Step 3: Cross multiply
    11,862,907.20x = 17,794,360.80 × 5,485,615.20
  4. Step 4: Simplify right side
    11,862,907.20x = 97,613,016,078,764.17
  5. Step 5: Solve for x
    x = 97,613,016,078,764.17/11,862,907.20
  6. Step 6: Final answer
    x = 8,228,422.80

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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.