Home / 28,115,769.13-42,175,504.19-7,366,715.31

Finding the Fourth Proportional to 28,115,769.13, 42,175,504.19 and 7,366,715.31

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Solution

The fourth proportional to 28,115,769.13, 42,175,504.19 and 7,366,715.31 is: 11,050,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115,769.13 : 42,175,504.19 = 7,366,715.31 : x
  2. Step 2: Convert to fraction form
    28,115,769.13/42,175,504.19 = 7,366,715.31/x
  3. Step 3: Cross multiply
    28,115,769.13x = 42,175,504.19 × 7,366,715.31
  4. Step 4: Simplify right side
    28,115,769.13x = 310,694,932,212,564.62
  5. Step 5: Solve for x
    x = 310,694,932,212,564.62/28,115,769.13
  6. Step 6: Final answer
    x = 11,050,557.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.