Finding the Fourth Proportional to 22,186,850.08, 30,619,035.84 and 12,397,531.90
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Solution
The fourth proportional to 22,186,850.08, 30,619,035.84 and 12,397,531.90 is: 17,109,254.91
Step by Step Solution
- Step 1: Write the proportion equation
22,186,850.08 : 30,619,035.84 = 12,397,531.90 : x - Step 2: Convert to fraction form
22,186,850.08/30,619,035.84 = 12,397,531.90/x - Step 3: Cross multiply
22,186,850.08x = 30,619,035.84 × 12,397,531.90 - Step 4: Simplify right side
22,186,850.08x = 379,600,473,573,643.31 - Step 5: Solve for x
x = 379,600,473,573,643.31/22,186,850.08 - Step 6: Final answer
x = 17,109,254.91
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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.