Home / 10,979,986.39-16,371,815.41-10,678,319.03

Finding the Fourth Proportional to 10,979,986.39, 16,371,815.41 and 10,678,319.03

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Solution

The fourth proportional to 10,979,986.39, 16,371,815.41 and 10,678,319.03 is: 15,922,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979,986.39 : 16,371,815.41 = 10,678,319.03 : x
  2. Step 2: Convert to fraction form
    10,979,986.39/16,371,815.41 = 10,678,319.03/x
  3. Step 3: Cross multiply
    10,979,986.39x = 16,371,815.41 × 10,678,319.03
  4. Step 4: Simplify right side
    10,979,986.39x = 174,823,468,102,527.72
  5. Step 5: Solve for x
    x = 174,823,468,102,527.72/10,979,986.39
  6. Step 6: Final answer
    x = 15,922,011.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.