Home / 12,738,051.30-19,107,076.95-8,486,523.30

Finding the Fourth Proportional to 12,738,051.30, 19,107,076.95 and 8,486,523.30

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Solution

The fourth proportional to 12,738,051.30, 19,107,076.95 and 8,486,523.30 is: 12,729,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,051.30 : 19,107,076.95 = 8,486,523.30 : x
  2. Step 2: Convert to fraction form
    12,738,051.30/19,107,076.95 = 8,486,523.30/x
  3. Step 3: Cross multiply
    12,738,051.30x = 19,107,076.95 × 8,486,523.30
  4. Step 4: Simplify right side
    12,738,051.30x = 162,152,653,731,067.94
  5. Step 5: Solve for x
    x = 162,152,653,731,067.94/12,738,051.30
  6. Step 6: Final answer
    x = 12,729,784.95

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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.