Home / 10,398,839.69-14,345,563.07-6,728,942.31

Finding the Fourth Proportional to 10,398,839.69, 14,345,563.07 and 6,728,942.31

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Solution

The fourth proportional to 10,398,839.69, 14,345,563.07 and 6,728,942.31 is: 9,282,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398,839.69 : 14,345,563.07 = 6,728,942.31 : x
  2. Step 2: Convert to fraction form
    10,398,839.69/14,345,563.07 = 6,728,942.31/x
  3. Step 3: Cross multiply
    10,398,839.69x = 14,345,563.07 × 6,728,942.31
  4. Step 4: Simplify right side
    10,398,839.69x = 96,530,466,308,366.47
  5. Step 5: Solve for x
    x = 96,530,466,308,366.47/10,398,839.69
  6. Step 6: Final answer
    x = 9,282,811.28

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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.