Home / 28,084,087.57-38,756,093.55-15,694,181.08

Finding the Fourth Proportional to 28,084,087.57, 38,756,093.55 and 15,694,181.08

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Solution

The fourth proportional to 28,084,087.57, 38,756,093.55 and 15,694,181.08 is: 21,657,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,087.57 : 38,756,093.55 = 15,694,181.08 : x
  2. Step 2: Convert to fraction form
    28,084,087.57/38,756,093.55 = 15,694,181.08/x
  3. Step 3: Cross multiply
    28,084,087.57x = 38,756,093.55 × 15,694,181.08
  4. Step 4: Simplify right side
    28,084,087.57x = 608,245,150,127,120
  5. Step 5: Solve for x
    x = 608,245,150,127,120/28,084,087.57
  6. Step 6: Final answer
    x = 21,657,999.34

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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.