Home / 10,961,876.70-16,419,195.45-9,072,308.70

Finding the Fourth Proportional to 10,961,876.70, 16,419,195.45 and 9,072,308.70

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Solution

The fourth proportional to 10,961,876.70, 16,419,195.45 and 9,072,308.70 is: 13,588,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,876.70 : 16,419,195.45 = 9,072,308.70 : x
  2. Step 2: Convert to fraction form
    10,961,876.70/16,419,195.45 = 9,072,308.70/x
  3. Step 3: Cross multiply
    10,961,876.70x = 16,419,195.45 × 9,072,308.70
  4. Step 4: Simplify right side
    10,961,876.70x = 148,960,009,728,035.41
  5. Step 5: Solve for x
    x = 148,960,009,728,035.41/10,961,876.70
  6. Step 6: Final answer
    x = 13,588,914.91

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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.