Home / 19,388,198.55-26,755,768.25-10,686,405.76

Finding the Fourth Proportional to 19,388,198.55, 26,755,768.25 and 10,686,405.76

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Solution

The fourth proportional to 19,388,198.55, 26,755,768.25 and 10,686,405.76 is: 14,747,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388,198.55 : 26,755,768.25 = 10,686,405.76 : x
  2. Step 2: Convert to fraction form
    19,388,198.55/26,755,768.25 = 10,686,405.76/x
  3. Step 3: Cross multiply
    19,388,198.55x = 26,755,768.25 × 10,686,405.76
  4. Step 4: Simplify right side
    19,388,198.55x = 285,922,995,965,075.81
  5. Step 5: Solve for x
    x = 285,922,995,965,075.81/19,388,198.55
  6. Step 6: Final answer
    x = 14,747,269.85

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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.