Finding the Fourth Proportional to 35,449,531.07, 48,920,566.14 and 19,769,545.48
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Solution
The fourth proportional to 35,449,531.07, 48,920,566.14 and 19,769,545.48 is: 27,282,091.70
Step by Step Solution
- Step 1: Write the proportion equation
35,449,531.07 : 48,920,566.14 = 19,769,545.48 : x - Step 2: Convert to fraction form
35,449,531.07/48,920,566.14 = 19,769,545.48/x - Step 3: Cross multiply
35,449,531.07x = 48,920,566.14 × 19,769,545.48 - Step 4: Simplify right side
35,449,531.07x = 967,137,357,212,078.12 - Step 5: Solve for x
x = 967,137,357,212,078.12/35,449,531.07 - Step 6: Final answer
x = 27,282,091.70
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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.