Home / 15,474,603.50-21,355,174.80-8,505,926.48

Finding the Fourth Proportional to 15,474,603.50, 21,355,174.80 and 8,505,926.48

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Solution

The fourth proportional to 15,474,603.50, 21,355,174.80 and 8,505,926.48 is: 11,738,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474,603.50 : 21,355,174.80 = 8,505,926.48 : x
  2. Step 2: Convert to fraction form
    15,474,603.50/21,355,174.80 = 8,505,926.48/x
  3. Step 3: Cross multiply
    15,474,603.50x = 21,355,174.80 × 8,505,926.48
  4. Step 4: Simplify right side
    15,474,603.50x = 181,645,546,816,348.72
  5. Step 5: Solve for x
    x = 181,645,546,816,348.72/15,474,603.50
  6. Step 6: Final answer
    x = 11,738,300.55

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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.