Home / 15,110,090.25-20,851,725.09-8,404,377.68

Finding the Fourth Proportional to 15,110,090.25, 20,851,725.09 and 8,404,377.68

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Solution

The fourth proportional to 15,110,090.25, 20,851,725.09 and 8,404,377.68 is: 11,597,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,090.25 : 20,851,725.09 = 8,404,377.68 : x
  2. Step 2: Convert to fraction form
    15,110,090.25/20,851,725.09 = 8,404,377.68/x
  3. Step 3: Cross multiply
    15,110,090.25x = 20,851,725.09 × 8,404,377.68
  4. Step 4: Simplify right side
    15,110,090.25x = 175,245,772,831,633.38
  5. Step 5: Solve for x
    x = 175,245,772,831,633.38/15,110,090.25
  6. Step 6: Final answer
    x = 11,597,930.25

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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.