Home / 28,081,621.98-38,751,894.96-15,691,817.22

Finding the Fourth Proportional to 28,081,621.98, 38,751,894.96 and 15,691,817.22

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Solution

The fourth proportional to 28,081,621.98, 38,751,894.96 and 15,691,817.22 is: 21,654,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,621.98 : 38,751,894.96 = 15,691,817.22 : x
  2. Step 2: Convert to fraction form
    28,081,621.98/38,751,894.96 = 15,691,817.22/x
  3. Step 3: Cross multiply
    28,081,621.98x = 38,751,894.96 × 15,691,817.22
  4. Step 4: Simplify right side
    28,081,621.98x = 608,087,652,640,959.25
  5. Step 5: Solve for x
    x = 608,087,652,640,959.25/28,081,621.98
  6. Step 6: Final answer
    x = 21,654,292.37

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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.