Home / 10,961,860.20-16,419,170.70-9,072,292.20

Finding the Fourth Proportional to 10,961,860.20, 16,419,170.70 and 9,072,292.20

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Solution

The fourth proportional to 10,961,860.20, 16,419,170.70 and 9,072,292.20 is: 13,588,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,860.20 : 16,419,170.70 = 9,072,292.20 : x
  2. Step 2: Convert to fraction form
    10,961,860.20/16,419,170.70 = 9,072,292.20/x
  3. Step 3: Cross multiply
    10,961,860.20x = 16,419,170.70 × 9,072,292.20
  4. Step 4: Simplify right side
    10,961,860.20x = 148,959,514,272,078.53
  5. Step 5: Solve for x
    x = 148,959,514,272,078.53/10,961,860.20
  6. Step 6: Final answer
    x = 13,588,890.17

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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.