Home / 19,678,365.30-29,529,989.55-11,591,325.30

Finding the Fourth Proportional to 19,678,365.30, 29,529,989.55 and 11,591,325.30

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Solution

The fourth proportional to 19,678,365.30, 29,529,989.55 and 11,591,325.30 is: 17,394,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678,365.30 : 29,529,989.55 = 11,591,325.30 : x
  2. Step 2: Convert to fraction form
    19,678,365.30/29,529,989.55 = 11,591,325.30/x
  3. Step 3: Cross multiply
    19,678,365.30x = 29,529,989.55 × 11,591,325.30
  4. Step 4: Simplify right side
    19,678,365.30x = 342,291,714,979,650.62
  5. Step 5: Solve for x
    x = 342,291,714,979,650.62/19,678,365.30
  6. Step 6: Final answer
    x = 17,394,316.54

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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.