Home / 39,245,153.66-54,158,312.19-21,845,609.25

Finding the Fourth Proportional to 39,245,153.66, 54,158,312.19 and 21,845,609.25

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Solution

The fourth proportional to 39,245,153.66, 54,158,312.19 and 21,845,609.25 is: 30,146,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245,153.66 : 54,158,312.19 = 21,845,609.25 : x
  2. Step 2: Convert to fraction form
    39,245,153.66/54,158,312.19 = 21,845,609.25/x
  3. Step 3: Cross multiply
    39,245,153.66x = 54,158,312.19 × 21,845,609.25
  4. Step 4: Simplify right side
    39,245,153.66x = 1,183,121,325,633,023.75
  5. Step 5: Solve for x
    x = 1,183,121,325,633,023.75/39,245,153.66
  6. Step 6: Final answer
    x = 30,146,940.84

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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.