Finding the Fourth Proportional to 39,770,372.54, 54,876,699.44 and 22,365,679.80
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Solution
The fourth proportional to 39,770,372.54, 54,876,699.44 and 22,365,679.80 is: 30,861,030.71
Step by Step Solution
- Step 1: Write the proportion equation
39,770,372.54 : 54,876,699.44 = 22,365,679.80 : x - Step 2: Convert to fraction form
39,770,372.54/54,876,699.44 = 22,365,679.80/x - Step 3: Cross multiply
39,770,372.54x = 54,876,699.44 × 22,365,679.80 - Step 4: Simplify right side
39,770,372.54x = 1,227,354,688,155,879.25 - Step 5: Solve for x
x = 1,227,354,688,155,879.25/39,770,372.54 - Step 6: Final answer
x = 30,861,030.71
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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.