Home / 11,989,179.78-16,545,461.73-6,556,671.78

Finding the Fourth Proportional to 11,989,179.78, 16,545,461.73 and 6,556,671.78

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Solution

The fourth proportional to 11,989,179.78, 16,545,461.73 and 6,556,671.78 is: 9,048,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,179.78 : 16,545,461.73 = 6,556,671.78 : x
  2. Step 2: Convert to fraction form
    11,989,179.78/16,545,461.73 = 6,556,671.78/x
  3. Step 3: Cross multiply
    11,989,179.78x = 16,545,461.73 × 6,556,671.78
  4. Step 4: Simplify right side
    11,989,179.78x = 108,483,162,012,160.98
  5. Step 5: Solve for x
    x = 108,483,162,012,160.98/11,989,179.78
  6. Step 6: Final answer
    x = 9,048,422.33

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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.