Home / 28,084,080.57-38,756,083.89-15,694,174.08

Finding the Fourth Proportional to 28,084,080.57, 38,756,083.89 and 15,694,174.08

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Solution

The fourth proportional to 28,084,080.57, 38,756,083.89 and 15,694,174.08 is: 21,657,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,080.57 : 38,756,083.89 = 15,694,174.08 : x
  2. Step 2: Convert to fraction form
    28,084,080.57/38,756,083.89 = 15,694,174.08/x
  3. Step 3: Cross multiply
    28,084,080.57x = 38,756,083.89 × 15,694,174.08
  4. Step 4: Simplify right side
    28,084,080.57x = 608,244,727,228,743.62
  5. Step 5: Solve for x
    x = 608,244,727,228,743.62/28,084,080.57
  6. Step 6: Final answer
    x = 21,657,989.68

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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.