Home / 28,541,840.46-39,387,763.26-15,489,099

Finding the Fourth Proportional to 28,541,840.46, 39,387,763.26 and 15,489,099

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Solution

The fourth proportional to 28,541,840.46, 39,387,763.26 and 15,489,099 is: 21,374,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,840.46 : 39,387,763.26 = 15,489,099 : x
  2. Step 2: Convert to fraction form
    28,541,840.46/39,387,763.26 = 15,489,099/x
  3. Step 3: Cross multiply
    28,541,840.46x = 39,387,763.26 × 15,489,099
  4. Step 4: Simplify right side
    28,541,840.46x = 610,080,964,522,702.75
  5. Step 5: Solve for x
    x = 610,080,964,522,702.75/28,541,840.46
  6. Step 6: Final answer
    x = 21,374,969.33

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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.