Home / 28,338,769.44-42,505,004.88-10,142,229.60

Finding the Fourth Proportional to 28,338,769.44, 42,505,004.88 and 10,142,229.60

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Solution

The fourth proportional to 28,338,769.44, 42,505,004.88 and 10,142,229.60 is: 15,212,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338,769.44 : 42,505,004.88 = 10,142,229.60 : x
  2. Step 2: Convert to fraction form
    28,338,769.44/42,505,004.88 = 10,142,229.60/x
  3. Step 3: Cross multiply
    28,338,769.44x = 42,505,004.88 × 10,142,229.60
  4. Step 4: Simplify right side
    28,338,769.44x = 431,095,518,642,080.44
  5. Step 5: Solve for x
    x = 431,095,518,642,080.44/28,338,769.44
  6. Step 6: Final answer
    x = 15,212,217.30

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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.