Home / 19,678,354.80-29,529,973.80-11,591,314.80

Finding the Fourth Proportional to 19,678,354.80, 29,529,973.80 and 11,591,314.80

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Solution

The fourth proportional to 19,678,354.80, 29,529,973.80 and 11,591,314.80 is: 17,394,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678,354.80 : 29,529,973.80 = 11,591,314.80 : x
  2. Step 2: Convert to fraction form
    19,678,354.80/29,529,973.80 = 11,591,314.80/x
  3. Step 3: Cross multiply
    19,678,354.80x = 29,529,973.80 × 11,591,314.80
  4. Step 4: Simplify right side
    19,678,354.80x = 342,291,222,351,552.25
  5. Step 5: Solve for x
    x = 342,291,222,351,552.25/19,678,354.80
  6. Step 6: Final answer
    x = 17,394,300.79

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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.