Home / 19,678,363.30-29,529,986.55-11,591,323.30

Finding the Fourth Proportional to 19,678,363.30, 29,529,986.55 and 11,591,323.30

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Solution

The fourth proportional to 19,678,363.30, 29,529,986.55 and 11,591,323.30 is: 17,394,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678,363.30 : 29,529,986.55 = 11,591,323.30 : x
  2. Step 2: Convert to fraction form
    19,678,363.30/29,529,986.55 = 11,591,323.30/x
  3. Step 3: Cross multiply
    19,678,363.30x = 29,529,986.55 × 11,591,323.30
  4. Step 4: Simplify right side
    19,678,363.30x = 342,291,621,145,701.62
  5. Step 5: Solve for x
    x = 342,291,621,145,701.62/19,678,363.30
  6. Step 6: Final answer
    x = 17,394,313.54

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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.