Home / 14,150,467.05-19,521,974.61-8,921,755.86

Finding the Fourth Proportional to 14,150,467.05, 19,521,974.61 and 8,921,755.86

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Solution

The fourth proportional to 14,150,467.05, 19,521,974.61 and 8,921,755.86 is: 12,308,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150,467.05 : 19,521,974.61 = 8,921,755.86 : x
  2. Step 2: Convert to fraction form
    14,150,467.05/19,521,974.61 = 8,921,755.86/x
  3. Step 3: Cross multiply
    14,150,467.05x = 19,521,974.61 × 8,921,755.86
  4. Step 4: Simplify right side
    14,150,467.05x = 174,170,291,375,538.69
  5. Step 5: Solve for x
    x = 174,170,291,375,538.69/14,150,467.05
  6. Step 6: Final answer
    x = 12,308,448.25

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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.