Home / 11,989,180.78-16,545,463.11-6,556,672.78

Finding the Fourth Proportional to 11,989,180.78, 16,545,463.11 and 6,556,672.78

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Solution

The fourth proportional to 11,989,180.78, 16,545,463.11 and 6,556,672.78 is: 9,048,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,180.78 : 16,545,463.11 = 6,556,672.78 : x
  2. Step 2: Convert to fraction form
    11,989,180.78/16,545,463.11 = 6,556,672.78/x
  3. Step 3: Cross multiply
    11,989,180.78x = 16,545,463.11 × 6,556,672.78
  4. Step 4: Simplify right side
    11,989,180.78x = 108,483,187,605,831.14
  5. Step 5: Solve for x
    x = 108,483,187,605,831.14/11,989,180.78
  6. Step 6: Final answer
    x = 9,048,423.71

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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.