Home / 28,542,505.04-39,388,945.32-15,489,876.68

Finding the Fourth Proportional to 28,542,505.04, 39,388,945.32 and 15,489,876.68

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Solution

The fourth proportional to 28,542,505.04, 39,388,945.32 and 15,489,876.68 is: 21,376,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542,505.04 : 39,388,945.32 = 15,489,876.68 : x
  2. Step 2: Convert to fraction form
    28,542,505.04/39,388,945.32 = 15,489,876.68/x
  3. Step 3: Cross multiply
    28,542,505.04x = 39,388,945.32 × 15,489,876.68
  4. Step 4: Simplify right side
    28,542,505.04x = 610,129,905,562,063.12
  5. Step 5: Solve for x
    x = 610,129,905,562,063.12/28,542,505.04
  6. Step 6: Final answer
    x = 21,376,186.31

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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.