Home / 36,978,766.25-55,360,218.49-21,578,864.81

Finding the Fourth Proportional to 36,978,766.25, 55,360,218.49 and 21,578,864.81

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Solution

The fourth proportional to 36,978,766.25, 55,360,218.49 and 21,578,864.81 is: 32,305,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978,766.25 : 55,360,218.49 = 21,578,864.81 : x
  2. Step 2: Convert to fraction form
    36,978,766.25/55,360,218.49 = 21,578,864.81/x
  3. Step 3: Cross multiply
    36,978,766.25x = 55,360,218.49 × 21,578,864.81
  4. Step 4: Simplify right side
    36,978,766.25x = 1,194,610,670,317,024
  5. Step 5: Solve for x
    x = 1,194,610,670,317,024/36,978,766.25
  6. Step 6: Final answer
    x = 32,305,314.42

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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.