Home / 38,783,837.60-53,522,056.90-21,380,805.60

Finding the Fourth Proportional to 38,783,837.60, 53,522,056.90 and 21,380,805.60

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Solution

The fourth proportional to 38,783,837.60, 53,522,056.90 and 21,380,805.60 is: 29,505,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783,837.60 : 53,522,056.90 = 21,380,805.60 : x
  2. Step 2: Convert to fraction form
    38,783,837.60/53,522,056.90 = 21,380,805.60/x
  3. Step 3: Cross multiply
    38,783,837.60x = 53,522,056.90 × 21,380,805.60
  4. Step 4: Simplify right side
    38,783,837.60x = 1,144,344,693,717,057
  5. Step 5: Solve for x
    x = 1,144,344,693,717,057/38,783,837.60
  6. Step 6: Final answer
    x = 29,505,710.74

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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.