Home / 15,373,941.24-21,215,305.98-8,404,978.26

Finding the Fourth Proportional to 15,373,941.24, 21,215,305.98 and 8,404,978.26

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Solution

The fourth proportional to 15,373,941.24, 21,215,305.98 and 8,404,978.26 is: 11,598,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373,941.24 : 21,215,305.98 = 8,404,978.26 : x
  2. Step 2: Convert to fraction form
    15,373,941.24/21,215,305.98 = 8,404,978.26/x
  3. Step 3: Cross multiply
    15,373,941.24x = 21,215,305.98 × 8,404,978.26
  4. Step 4: Simplify right side
    15,373,941.24x = 178,314,185,541,148
  5. Step 5: Solve for x
    x = 178,314,185,541,148/15,373,941.24
  6. Step 6: Final answer
    x = 11,598,469.30

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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.