Home / 19,251,499.73-28,857,818.79-12,068,078.21

Finding the Fourth Proportional to 19,251,499.73, 28,857,818.79 and 12,068,078.21

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Solution

The fourth proportional to 19,251,499.73, 28,857,818.79 and 12,068,078.21 is: 18,089,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,499.73 : 28,857,818.79 = 12,068,078.21 : x
  2. Step 2: Convert to fraction form
    19,251,499.73/28,857,818.79 = 12,068,078.21/x
  3. Step 3: Cross multiply
    19,251,499.73x = 28,857,818.79 × 12,068,078.21
  4. Step 4: Simplify right side
    19,251,499.73x = 348,258,413,983,438.44
  5. Step 5: Solve for x
    x = 348,258,413,983,438.44/19,251,499.73
  6. Step 6: Final answer
    x = 18,089,936.83

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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.