Home / 38,489,720.40-57,734,580.60-11,559,877.20

Finding the Fourth Proportional to 38,489,720.40, 57,734,580.60 and 11,559,877.20

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Solution

The fourth proportional to 38,489,720.40, 57,734,580.60 and 11,559,877.20 is: 17,339,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489,720.40 : 57,734,580.60 = 11,559,877.20 : x
  2. Step 2: Convert to fraction form
    38,489,720.40/57,734,580.60 = 11,559,877.20/x
  3. Step 3: Cross multiply
    38,489,720.40x = 57,734,580.60 × 11,559,877.20
  4. Step 4: Simplify right side
    38,489,720.40x = 667,404,661,929,502.25
  5. Step 5: Solve for x
    x = 667,404,661,929,502.25/38,489,720.40
  6. Step 6: Final answer
    x = 17,339,815.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.