Home / 15,870,234.57-21,901,163.67-8,902,456.67

Finding the Fourth Proportional to 15,870,234.57, 21,901,163.67 and 8,902,456.67

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Solution

The fourth proportional to 15,870,234.57, 21,901,163.67 and 8,902,456.67 is: 12,285,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,234.57 : 21,901,163.67 = 8,902,456.67 : x
  2. Step 2: Convert to fraction form
    15,870,234.57/21,901,163.67 = 8,902,456.67/x
  3. Step 3: Cross multiply
    15,870,234.57x = 21,901,163.67 × 8,902,456.67
  4. Step 4: Simplify right side
    15,870,234.57x = 194,974,160,485,247.34
  5. Step 5: Solve for x
    x = 194,974,160,485,247.34/15,870,234.57
  6. Step 6: Final answer
    x = 12,285,524.81

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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.