Home / 12,923,776.69-17,837,850.95-8,032,692.63

Finding the Fourth Proportional to 12,923,776.69, 17,837,850.95 and 8,032,692.63

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Solution

The fourth proportional to 12,923,776.69, 17,837,850.95 and 8,032,692.63 is: 11,087,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,776.69 : 17,837,850.95 = 8,032,692.63 : x
  2. Step 2: Convert to fraction form
    12,923,776.69/17,837,850.95 = 8,032,692.63/x
  3. Step 3: Cross multiply
    12,923,776.69x = 17,837,850.95 × 8,032,692.63
  4. Step 4: Simplify right side
    12,923,776.69x = 143,285,973,861,103.50
  5. Step 5: Solve for x
    x = 143,285,973,861,103.50/12,923,776.69
  6. Step 6: Final answer
    x = 11,087,004.77

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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.