Home / 15,589,084.22-21,512,490.86-8,619,641.72

Finding the Fourth Proportional to 15,589,084.22, 21,512,490.86 and 8,619,641.72

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Solution

The fourth proportional to 15,589,084.22, 21,512,490.86 and 8,619,641.72 is: 11,894,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589,084.22 : 21,512,490.86 = 8,619,641.72 : x
  2. Step 2: Convert to fraction form
    15,589,084.22/21,512,490.86 = 8,619,641.72/x
  3. Step 3: Cross multiply
    15,589,084.22x = 21,512,490.86 × 8,619,641.72
  4. Step 4: Simplify right side
    15,589,084.22x = 185,429,963,567,314.03
  5. Step 5: Solve for x
    x = 185,429,963,567,314.03/15,589,084.22
  6. Step 6: Final answer
    x = 11,894,859.31

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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.