Home / 15,772,540.63-21,766,136.19-8,708,147.53

Finding the Fourth Proportional to 15,772,540.63, 21,766,136.19 and 8,708,147.53

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Solution

The fourth proportional to 15,772,540.63, 21,766,136.19 and 8,708,147.53 is: 12,017,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,540.63 : 21,766,136.19 = 8,708,147.53 : x
  2. Step 2: Convert to fraction form
    15,772,540.63/21,766,136.19 = 8,708,147.53/x
  3. Step 3: Cross multiply
    15,772,540.63x = 21,766,136.19 × 8,708,147.53
  4. Step 4: Simplify right side
    15,772,540.63x = 189,542,725,100,592.09
  5. Step 5: Solve for x
    x = 189,542,725,100,592.09/15,772,540.63
  6. Step 6: Final answer
    x = 12,017,260.22

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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.