Home / 11,923,892.40-16,455,033.72-6,491,423.28

Finding the Fourth Proportional to 11,923,892.40, 16,455,033.72 and 6,491,423.28

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Solution

The fourth proportional to 11,923,892.40, 16,455,033.72 and 6,491,423.28 is: 8,958,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923,892.40 : 16,455,033.72 = 6,491,423.28 : x
  2. Step 2: Convert to fraction form
    11,923,892.40/16,455,033.72 = 6,491,423.28/x
  3. Step 3: Cross multiply
    11,923,892.40x = 16,455,033.72 × 6,491,423.28
  4. Step 4: Simplify right side
    11,923,892.40x = 106,816,588,963,193.02
  5. Step 5: Solve for x
    x = 106,816,588,963,193.02/11,923,892.40
  6. Step 6: Final answer
    x = 8,958,197.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.