Finding the Fourth Proportional to 40,377,625.49, 55,720,839.65 and 22,042,910.99
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Solution
The fourth proportional to 40,377,625.49, 55,720,839.65 and 22,042,910.99 is: 30,419,062.38
Step by Step Solution
- Step 1: Write the proportion equation
40,377,625.49 : 55,720,839.65 = 22,042,910.99 : x - Step 2: Convert to fraction form
40,377,625.49/55,720,839.65 = 22,042,910.99/x - Step 3: Cross multiply
40,377,625.49x = 55,720,839.65 × 22,042,910.99 - Step 4: Simplify right side
40,377,625.49x = 1,228,249,508,304,194 - Step 5: Solve for x
x = 1,228,249,508,304,194/40,377,625.49 - Step 6: Final answer
x = 30,419,062.38
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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.