Home / 12,006,171.73-18,005,542.12-4,328,828.52

Finding the Fourth Proportional to 12,006,171.73, 18,005,542.12 and 4,328,828.52

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Solution

The fourth proportional to 12,006,171.73, 18,005,542.12 and 4,328,828.52 is: 6,491,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006,171.73 : 18,005,542.12 = 4,328,828.52 : x
  2. Step 2: Convert to fraction form
    12,006,171.73/18,005,542.12 = 4,328,828.52/x
  3. Step 3: Cross multiply
    12,006,171.73x = 18,005,542.12 × 4,328,828.52
  4. Step 4: Simplify right side
    12,006,171.73x = 77,942,904,247,117.27
  5. Step 5: Solve for x
    x = 77,942,904,247,117.27/12,006,171.73
  6. Step 6: Final answer
    x = 6,491,903.16

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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.