Home / 11,638,057.89-16,061,018.16-6,481,419.44

Finding the Fourth Proportional to 11,638,057.89, 16,061,018.16 and 6,481,419.44

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Solution

The fourth proportional to 11,638,057.89, 16,061,018.16 and 6,481,419.44 is: 8,944,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638,057.89 : 16,061,018.16 = 6,481,419.44 : x
  2. Step 2: Convert to fraction form
    11,638,057.89/16,061,018.16 = 6,481,419.44/x
  3. Step 3: Cross multiply
    11,638,057.89x = 16,061,018.16 × 6,481,419.44
  4. Step 4: Simplify right side
    11,638,057.89x = 104,098,195,326,302.50
  5. Step 5: Solve for x
    x = 104,098,195,326,302.50/11,638,057.89
  6. Step 6: Final answer
    x = 8,944,636.32

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1.5x scale

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.