Home / 10,989,044.94-16,485,083.21-6,380,201.71

Finding the Fourth Proportional to 10,989,044.94, 16,485,083.21 and 6,380,201.71

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Solution

The fourth proportional to 10,989,044.94, 16,485,083.21 and 6,380,201.71 is: 9,571,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,044.94 : 16,485,083.21 = 6,380,201.71 : x
  2. Step 2: Convert to fraction form
    10,989,044.94/16,485,083.21 = 6,380,201.71/x
  3. Step 3: Cross multiply
    10,989,044.94x = 16,485,083.21 × 6,380,201.71
  4. Step 4: Simplify right side
    10,989,044.94x = 105,178,156,085,934.30
  5. Step 5: Solve for x
    x = 105,178,156,085,934.30/10,989,044.94
  6. Step 6: Final answer
    x = 9,571,182.63

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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.