Finding the Fourth Proportional to 35,449,531.53, 48,920,566.76 and 19,769,545.94
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Solution
The fourth proportional to 35,449,531.53, 48,920,566.76 and 19,769,545.94 is: 27,282,092.32
Step by Step Solution
- Step 1: Write the proportion equation
35,449,531.53 : 48,920,566.76 = 19,769,545.94 : x - Step 2: Convert to fraction form
35,449,531.53/48,920,566.76 = 19,769,545.94/x - Step 3: Cross multiply
35,449,531.53x = 48,920,566.76 × 19,769,545.94 - Step 4: Simplify right side
35,449,531.53x = 967,137,391,972,657 - Step 5: Solve for x
x = 967,137,391,972,657/35,449,531.53 - Step 6: Final answer
x = 27,282,092.32
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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.