Home / 14,338,843.05-21,508,245.03-6,658,287.96

Finding the Fourth Proportional to 14,338,843.05, 21,508,245.03 and 6,658,287.96

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Solution

The fourth proportional to 14,338,843.05, 21,508,245.03 and 6,658,287.96 is: 9,987,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338,843.05 : 21,508,245.03 = 6,658,287.96 : x
  2. Step 2: Convert to fraction form
    14,338,843.05/21,508,245.03 = 6,658,287.96/x
  3. Step 3: Cross multiply
    14,338,843.05x = 21,508,245.03 × 6,658,287.96
  4. Step 4: Simplify right side
    14,338,843.05x = 143,208,088,923,978.84
  5. Step 5: Solve for x
    x = 143,208,088,923,978.84/14,338,843.05
  6. Step 6: Final answer
    x = 9,987,422.86

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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.