Home / 28,858,010-39,825,305.64-15,980,954

Finding the Fourth Proportional to 28,858,010, 39,825,305.64 and 15,980,954

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Solution

The fourth proportional to 28,858,010, 39,825,305.64 and 15,980,954 is: 22,054,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,010 : 39,825,305.64 = 15,980,954 : x
  2. Step 2: Convert to fraction form
    28,858,010/39,825,305.64 = 15,980,954/x
  3. Step 3: Cross multiply
    28,858,010x = 39,825,305.64 × 15,980,954
  4. Step 4: Simplify right side
    28,858,010x = 636,446,377,468,780.62
  5. Step 5: Solve for x
    x = 636,446,377,468,780.62/28,858,010
  6. Step 6: Final answer
    x = 22,054,409.76

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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.