Home / 19,046,015.02-28,561,711.79-8,109,270.72

Finding the Fourth Proportional to 19,046,015.02, 28,561,711.79 and 8,109,270.72

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Solution

The fourth proportional to 19,046,015.02, 28,561,711.79 and 8,109,270.72 is: 12,160,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046,015.02 : 28,561,711.79 = 8,109,270.72 : x
  2. Step 2: Convert to fraction form
    19,046,015.02/28,561,711.79 = 8,109,270.72/x
  3. Step 3: Cross multiply
    19,046,015.02x = 28,561,711.79 × 8,109,270.72
  4. Step 4: Simplify right side
    19,046,015.02x = 231,614,653,151,998.97
  5. Step 5: Solve for x
    x = 231,614,653,151,998.97/19,046,015.02
  6. Step 6: Final answer
    x = 12,160,793.37

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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.