Finding the Fourth Proportional to 14,244,540.72, 19,656,553.08 and 7,965,585.80
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Solution
The fourth proportional to 14,244,540.72, 19,656,553.08 and 7,965,585.80 is: 10,991,997.79
Step by Step Solution
- Step 1: Write the proportion equation
14,244,540.72 : 19,656,553.08 = 7,965,585.80 : x - Step 2: Convert to fraction form
14,244,540.72/19,656,553.08 = 7,965,585.80/x - Step 3: Cross multiply
14,244,540.72x = 19,656,553.08 × 7,965,585.80 - Step 4: Simplify right side
14,244,540.72x = 156,575,960,090,994.25 - Step 5: Solve for x
x = 156,575,960,090,994.25/14,244,540.72 - Step 6: Final answer
x = 10,991,997.79
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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.