Home / 5,431,533.37-8,136,539.78-3,721,474.33

Finding the Fourth Proportional to 5,431,533.37, 8,136,539.78 and 3,721,474.33

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Solution

The fourth proportional to 5,431,533.37, 8,136,539.78 and 3,721,474.33 is: 5,574,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,533.37 : 8,136,539.78 = 3,721,474.33 : x
  2. Step 2: Convert to fraction form
    5,431,533.37/8,136,539.78 = 3,721,474.33/x
  3. Step 3: Cross multiply
    5,431,533.37x = 8,136,539.78 × 3,721,474.33
  4. Step 4: Simplify right side
    5,431,533.37x = 30,279,923,887,345.13
  5. Step 5: Solve for x
    x = 30,279,923,887,345.13/5,431,533.37
  6. Step 6: Final answer
    x = 5,574,838.97

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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.