Home / 21,279,626.53-31,916,447.17-6,902,820.67

Finding the Fourth Proportional to 21,279,626.53, 31,916,447.17 and 6,902,820.67

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Solution

The fourth proportional to 21,279,626.53, 31,916,447.17 and 6,902,820.67 is: 10,353,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,279,626.53 : 31,916,447.17 = 6,902,820.67 : x
  2. Step 2: Convert to fraction form
    21,279,626.53/31,916,447.17 = 6,902,820.67/x
  3. Step 3: Cross multiply
    21,279,626.53x = 31,916,447.17 × 6,902,820.67
  4. Step 4: Simplify right side
    21,279,626.53x = 220,313,511,238,039
  5. Step 5: Solve for x
    x = 220,313,511,238,039/21,279,626.53
  6. Step 6: Final answer
    x = 10,353,260.24

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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.