Home / 39,052,361.35-53,892,257.49-21,648,662.47

Finding the Fourth Proportional to 39,052,361.35, 53,892,257.49 and 21,648,662.47

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Solution

The fourth proportional to 39,052,361.35, 53,892,257.49 and 21,648,662.47 is: 29,875,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,052,361.35 : 53,892,257.49 = 21,648,662.47 : x
  2. Step 2: Convert to fraction form
    39,052,361.35/53,892,257.49 = 21,648,662.47/x
  3. Step 3: Cross multiply
    39,052,361.35x = 53,892,257.49 × 21,648,662.47
  4. Step 4: Simplify right side
    39,052,361.35x = 1,166,695,292,147,339.50
  5. Step 5: Solve for x
    x = 1,166,695,292,147,339.50/39,052,361.35
  6. Step 6: Final answer
    x = 29,875,153.56

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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.