Home / 15,028,184.78-20,737,145.39-8,413,135.47

Finding the Fourth Proportional to 15,028,184.78, 20,737,145.39 and 8,413,135.47

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Solution

The fourth proportional to 15,028,184.78, 20,737,145.39 and 8,413,135.47 is: 11,609,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,184.78 : 20,737,145.39 = 8,413,135.47 : x
  2. Step 2: Convert to fraction form
    15,028,184.78/20,737,145.39 = 8,413,135.47/x
  3. Step 3: Cross multiply
    15,028,184.78x = 20,737,145.39 × 8,413,135.47
  4. Step 4: Simplify right side
    15,028,184.78x = 174,464,413,385,090.34
  5. Step 5: Solve for x
    x = 174,464,413,385,090.34/15,028,184.78
  6. Step 6: Final answer
    x = 11,609,147.47

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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.