Finding the Fourth Proportional to 26,381,979.68, 36,407,135.42 and 14,622,007.29
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Solution
The fourth proportional to 26,381,979.68, 36,407,135.42 and 14,622,007.29 is: 20,178,371.98
Step by Step Solution
- Step 1: Write the proportion equation
26,381,979.68 : 36,407,135.42 = 14,622,007.29 : x - Step 2: Convert to fraction form
26,381,979.68/36,407,135.42 = 14,622,007.29/x - Step 3: Cross multiply
26,381,979.68x = 36,407,135.42 × 14,622,007.29 - Step 4: Simplify right side
26,381,979.68x = 532,345,399,446,147.12 - Step 5: Solve for x
x = 532,345,399,446,147.12/26,381,979.68 - Step 6: Final answer
x = 20,178,371.98
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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.