Finding the Fourth Proportional to 8,207,274.80, 11,327,416.98 and 5,556,920.24
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Solution
The fourth proportional to 8,207,274.80, 11,327,416.98 and 5,556,920.24 is: 7,669,482.77
Step by Step Solution
- Step 1: Write the proportion equation
8,207,274.80 : 11,327,416.98 = 5,556,920.24 : x - Step 2: Convert to fraction form
8,207,274.80/11,327,416.98 = 5,556,920.24/x - Step 3: Cross multiply
8,207,274.80x = 11,327,416.98 × 5,556,920.24 - Step 4: Simplify right side
8,207,274.80x = 62,945,552,683,081.68 - Step 5: Solve for x
x = 62,945,552,683,081.68/8,207,274.80 - Step 6: Final answer
x = 7,669,482.77
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1.5x scale
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.