Home / 7,945,220.76-11,919,016.98-3,685,819.56

Finding the Fourth Proportional to 7,945,220.76, 11,919,016.98 and 3,685,819.56

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Solution

The fourth proportional to 7,945,220.76, 11,919,016.98 and 3,685,819.56 is: 5,529,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945,220.76 : 11,919,016.98 = 3,685,819.56 : x
  2. Step 2: Convert to fraction form
    7,945,220.76/11,919,016.98 = 3,685,819.56/x
  3. Step 3: Cross multiply
    7,945,220.76x = 11,919,016.98 × 3,685,819.56
  4. Step 4: Simplify right side
    7,945,220.76x = 43,931,345,920,856.13
  5. Step 5: Solve for x
    x = 43,931,345,920,856.13/7,945,220.76
  6. Step 6: Final answer
    x = 5,529,279.46

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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.