Home / 7,790,331.35-11,685,735.09-2,672,689.46

Finding the Fourth Proportional to 7,790,331.35, 11,685,735.09 and 2,672,689.46

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Solution

The fourth proportional to 7,790,331.35, 11,685,735.09 and 2,672,689.46 is: 4,009,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,331.35 : 11,685,735.09 = 2,672,689.46 : x
  2. Step 2: Convert to fraction form
    7,790,331.35/11,685,735.09 = 2,672,689.46/x
  3. Step 3: Cross multiply
    7,790,331.35x = 11,685,735.09 × 2,672,689.46
  4. Step 4: Simplify right side
    7,790,331.35x = 31,232,340,948,966.48
  5. Step 5: Solve for x
    x = 31,232,340,948,966.48/7,790,331.35
  6. Step 6: Final answer
    x = 4,009,115.86

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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.