Home / 28,055,694.78-42,085,928.70-9,858,318.48

Finding the Fourth Proportional to 28,055,694.78, 42,085,928.70 and 9,858,318.48

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Solution

The fourth proportional to 28,055,694.78, 42,085,928.70 and 9,858,318.48 is: 14,788,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055,694.78 : 42,085,928.70 = 9,858,318.48 : x
  2. Step 2: Convert to fraction form
    28,055,694.78/42,085,928.70 = 9,858,318.48/x
  3. Step 3: Cross multiply
    28,055,694.78x = 42,085,928.70 × 9,858,318.48
  4. Step 4: Simplify right side
    28,055,694.78x = 414,896,488,651,172.44
  5. Step 5: Solve for x
    x = 414,896,488,651,172.44/28,055,694.78
  6. Step 6: Final answer
    x = 14,788,316.31

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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.