Home / 13,345,236.50-18,416,408.74-7,233,663.38

Finding the Fourth Proportional to 13,345,236.50, 18,416,408.74 and 7,233,663.38

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Solution

The fourth proportional to 13,345,236.50, 18,416,408.74 and 7,233,663.38 is: 9,982,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,236.50 : 18,416,408.74 = 7,233,663.38 : x
  2. Step 2: Convert to fraction form
    13,345,236.50/18,416,408.74 = 7,233,663.38/x
  3. Step 3: Cross multiply
    13,345,236.50x = 18,416,408.74 × 7,233,663.38
  4. Step 4: Simplify right side
    13,345,236.50x = 133,218,101,383,483.75
  5. Step 5: Solve for x
    x = 133,218,101,383,483.75/13,345,236.50
  6. Step 6: Final answer
    x = 9,982,445.90

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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.