Finding the Fourth Proportional to 39,354,403.98, 54,308,935.47 and 21,950,735.88
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Solution
The fourth proportional to 39,354,403.98, 54,308,935.47 and 21,950,735.88 is: 30,291,936.30
Step by Step Solution
- Step 1: Write the proportion equation
39,354,403.98 : 54,308,935.47 = 21,950,735.88 : x - Step 2: Convert to fraction form
39,354,403.98/54,308,935.47 = 21,950,735.88/x - Step 3: Cross multiply
39,354,403.98x = 54,308,935.47 × 21,950,735.88 - Step 4: Simplify right side
39,354,403.98x = 1,192,121,098,425,933.50 - Step 5: Solve for x
x = 1,192,121,098,425,933.50/39,354,403.98 - Step 6: Final answer
x = 30,291,936.30
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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.