Home / 38,936,914.08-53,732,627.76-21,533,992.80

Finding the Fourth Proportional to 38,936,914.08, 53,732,627.76 and 21,533,992.80

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Solution

The fourth proportional to 38,936,914.08, 53,732,627.76 and 21,533,992.80 is: 29,716,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,936,914.08 : 53,732,627.76 = 21,533,992.80 : x
  2. Step 2: Convert to fraction form
    38,936,914.08/53,732,627.76 = 21,533,992.80/x
  3. Step 3: Cross multiply
    38,936,914.08x = 53,732,627.76 × 21,533,992.80
  4. Step 4: Simplify right side
    38,936,914.08x = 1,157,078,019,308,920
  5. Step 5: Solve for x
    x = 1,157,078,019,308,920/38,936,914.08
  6. Step 6: Final answer
    x = 29,716,736.59

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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.