Home / 11,989,743.21-16,545,833.91-6,483,104.91

Finding the Fourth Proportional to 11,989,743.21, 16,545,833.91 and 6,483,104.91

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Solution

The fourth proportional to 11,989,743.21, 16,545,833.91 and 6,483,104.91 is: 8,946,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,743.21 : 16,545,833.91 = 6,483,104.91 : x
  2. Step 2: Convert to fraction form
    11,989,743.21/16,545,833.91 = 6,483,104.91/x
  3. Step 3: Cross multiply
    11,989,743.21x = 16,545,833.91 × 6,483,104.91
  4. Step 4: Simplify right side
    11,989,743.21x = 107,268,377,061,965.50
  5. Step 5: Solve for x
    x = 107,268,377,061,965.50/11,989,743.21
  6. Step 6: Final answer
    x = 8,946,678.44

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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.