Finding the Fourth Proportional to 14,208,642.44, 19,609,722.42 and 9,317,979.08
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Solution
The fourth proportional to 14,208,642.44, 19,609,722.42 and 9,317,979.08 is: 12,859,988.84
Step by Step Solution
- Step 1: Write the proportion equation
14,208,642.44 : 19,609,722.42 = 9,317,979.08 : x - Step 2: Convert to fraction form
14,208,642.44/19,609,722.42 = 9,317,979.08/x - Step 3: Cross multiply
14,208,642.44x = 19,609,722.42 × 9,317,979.08 - Step 4: Simplify right side
14,208,642.44x = 182,722,983,274,167 - Step 5: Solve for x
x = 182,722,983,274,167/14,208,642.44 - Step 6: Final answer
x = 12,859,988.84
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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.