Home / 28,084,081.07-38,756,084.58-15,694,174.58

Finding the Fourth Proportional to 28,084,081.07, 38,756,084.58 and 15,694,174.58

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Solution

The fourth proportional to 28,084,081.07, 38,756,084.58 and 15,694,174.58 is: 21,657,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,081.07 : 38,756,084.58 = 15,694,174.58 : x
  2. Step 2: Convert to fraction form
    28,084,081.07/38,756,084.58 = 15,694,174.58/x
  3. Step 3: Cross multiply
    28,084,081.07x = 38,756,084.58 × 15,694,174.58
  4. Step 4: Simplify right side
    28,084,081.07x = 608,244,757,435,766
  5. Step 5: Solve for x
    x = 608,244,757,435,766/28,084,081.07
  6. Step 6: Final answer
    x = 21,657,990.37

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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.