Home / 13,943,039.97-19,240,692.11-7,747,953.65

Finding the Fourth Proportional to 13,943,039.97, 19,240,692.11 and 7,747,953.65

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Solution

The fourth proportional to 13,943,039.97, 19,240,692.11 and 7,747,953.65 is: 10,691,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,039.97 : 19,240,692.11 = 7,747,953.65 : x
  2. Step 2: Convert to fraction form
    13,943,039.97/19,240,692.11 = 7,747,953.65/x
  3. Step 3: Cross multiply
    13,943,039.97x = 19,240,692.11 × 7,747,953.65
  4. Step 4: Simplify right side
    13,943,039.97x = 149,075,990,628,464.91
  5. Step 5: Solve for x
    x = 149,075,990,628,464.91/13,943,039.97
  6. Step 6: Final answer
    x = 10,691,785.36

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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.