Finding the Fourth Proportional to 39,247,945.04, 54,163,367.88 and 21,845,257.04
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Solution
The fourth proportional to 39,247,945.04, 54,163,367.88 and 21,845,257.04 is: 30,147,124.70
Step by Step Solution
- Step 1: Write the proportion equation
39,247,945.04 : 54,163,367.88 = 21,845,257.04 : x - Step 2: Convert to fraction form
39,247,945.04/54,163,367.88 = 21,845,257.04/x - Step 3: Cross multiply
39,247,945.04x = 54,163,367.88 × 21,845,257.04 - Step 4: Simplify right side
39,247,945.04x = 1,183,212,693,490,680 - Step 5: Solve for x
x = 1,183,212,693,490,680/39,247,945.04 - Step 6: Final answer
x = 30,147,124.70
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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.