Home / 17,146,178.20-23,661,642.81-9,411,352.12

Finding the Fourth Proportional to 17,146,178.20, 23,661,642.81 and 9,411,352.12

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Solution

The fourth proportional to 17,146,178.20, 23,661,642.81 and 9,411,352.12 is: 12,987,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146,178.20 : 23,661,642.81 = 9,411,352.12 : x
  2. Step 2: Convert to fraction form
    17,146,178.20/23,661,642.81 = 9,411,352.12/x
  3. Step 3: Cross multiply
    17,146,178.20x = 23,661,642.81 × 9,411,352.12
  4. Step 4: Simplify right side
    17,146,178.20x = 222,688,052,222,576.22
  5. Step 5: Solve for x
    x = 222,688,052,222,576.22/17,146,178.20
  6. Step 6: Final answer
    x = 12,987,620.31

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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.