Finding the Fourth Proportional to 23,208,129.48, 31,993,957.62 and 16,311,206.28
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Solution
The fourth proportional to 23,208,129.48, 31,993,957.62 and 16,311,206.28 is: 22,486,088.03
Step by Step Solution
- Step 1: Write the proportion equation
23,208,129.48 : 31,993,957.62 = 16,311,206.28 : x - Step 2: Convert to fraction form
23,208,129.48/31,993,957.62 = 16,311,206.28/x - Step 3: Cross multiply
23,208,129.48x = 31,993,957.62 × 16,311,206.28 - Step 4: Simplify right side
23,208,129.48x = 521,860,042,453,397.88 - Step 5: Solve for x
x = 521,860,042,453,397.88/23,208,129.48 - Step 6: Final answer
x = 22,486,088.03
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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.