Home / 38,784,272.22-53,522,457.72-21,380,235.57

Finding the Fourth Proportional to 38,784,272.22, 53,522,457.72 and 21,380,235.57

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Solution

The fourth proportional to 38,784,272.22, 53,522,457.72 and 21,380,235.57 is: 29,504,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784,272.22 : 53,522,457.72 = 21,380,235.57 : x
  2. Step 2: Convert to fraction form
    38,784,272.22/53,522,457.72 = 21,380,235.57/x
  3. Step 3: Cross multiply
    38,784,272.22x = 53,522,457.72 × 21,380,235.57
  4. Step 4: Simplify right side
    38,784,272.22x = 1,144,322,754,552,947.25
  5. Step 5: Solve for x
    x = 1,144,322,754,552,947.25/38,784,272.22
  6. Step 6: Final answer
    x = 29,504,814.43

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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.