Home / 20,802,448.32-31,198,081.44-7,337,503.68

Finding the Fourth Proportional to 20,802,448.32, 31,198,081.44 and 7,337,503.68

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Solution

The fourth proportional to 20,802,448.32, 31,198,081.44 and 7,337,503.68 is: 11,004,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,448.32 : 31,198,081.44 = 7,337,503.68 : x
  2. Step 2: Convert to fraction form
    20,802,448.32/31,198,081.44 = 7,337,503.68/x
  3. Step 3: Cross multiply
    20,802,448.32x = 31,198,081.44 × 7,337,503.68
  4. Step 4: Simplify right side
    20,802,448.32x = 228,916,037,374,939.69
  5. Step 5: Solve for x
    x = 228,916,037,374,939.69/20,802,448.32
  6. Step 6: Final answer
    x = 11,004,283.43

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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.