Home / 12,403,508.94-18,603,787.23-3,306,288.78

Finding the Fourth Proportional to 12,403,508.94, 18,603,787.23 and 3,306,288.78

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Solution

The fourth proportional to 12,403,508.94, 18,603,787.23 and 3,306,288.78 is: 4,959,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403,508.94 : 18,603,787.23 = 3,306,288.78 : x
  2. Step 2: Convert to fraction form
    12,403,508.94/18,603,787.23 = 3,306,288.78/x
  3. Step 3: Cross multiply
    12,403,508.94x = 18,603,787.23 × 3,306,288.78
  4. Step 4: Simplify right side
    12,403,508.94x = 61,509,492,984,056.27
  5. Step 5: Solve for x
    x = 61,509,492,984,056.27/12,403,508.94
  6. Step 6: Final answer
    x = 4,959,039.68

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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.