Home / 11,961,692.94-17,916,290.59-9,888,860.91

Finding the Fourth Proportional to 11,961,692.94, 17,916,290.59 and 9,888,860.91

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Solution

The fourth proportional to 11,961,692.94, 17,916,290.59 and 9,888,860.91 is: 14,811,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961,692.94 : 17,916,290.59 = 9,888,860.91 : x
  2. Step 2: Convert to fraction form
    11,961,692.94/17,916,290.59 = 9,888,860.91/x
  3. Step 3: Cross multiply
    11,961,692.94x = 17,916,290.59 × 9,888,860.91
  4. Step 4: Simplify right side
    11,961,692.94x = 177,171,705,667,651.84
  5. Step 5: Solve for x
    x = 177,171,705,667,651.84/11,961,692.94
  6. Step 6: Final answer
    x = 14,811,591.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.