Home / 38,784,477.76-53,522,741.46-21,380,441.92

Finding the Fourth Proportional to 38,784,477.76, 53,522,741.46 and 21,380,441.92

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Solution

The fourth proportional to 38,784,477.76, 53,522,741.46 and 21,380,441.92 is: 29,505,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784,477.76 : 53,522,741.46 = 21,380,441.92 : x
  2. Step 2: Convert to fraction form
    38,784,477.76/53,522,741.46 = 21,380,441.92/x
  3. Step 3: Cross multiply
    38,784,477.76x = 53,522,741.46 × 21,380,441.92
  4. Step 4: Simplify right side
    38,784,477.76x = 1,144,339,865,184,706
  5. Step 5: Solve for x
    x = 1,144,339,865,184,706/38,784,477.76
  6. Step 6: Final answer
    x = 29,505,099.24

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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.