Home / 12,359,265.90-18,514,986-6,951,485.58

Finding the Fourth Proportional to 12,359,265.90, 18,514,986 and 6,951,485.58

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Solution

The fourth proportional to 12,359,265.90, 18,514,986 and 6,951,485.58 is: 10,413,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,265.90 : 18,514,986 = 6,951,485.58 : x
  2. Step 2: Convert to fraction form
    12,359,265.90/18,514,986 = 6,951,485.58/x
  3. Step 3: Cross multiply
    12,359,265.90x = 18,514,986 × 6,951,485.58
  4. Step 4: Simplify right side
    12,359,265.90x = 128,706,658,192,901.88
  5. Step 5: Solve for x
    x = 128,706,658,192,901.88/12,359,265.90
  6. Step 6: Final answer
    x = 10,413,778.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.