Finding the Fourth Proportional to 8,223,348.81, 11,348,311.17 and 4,552,326.75
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Solution
The fourth proportional to 8,223,348.81, 11,348,311.17 and 4,552,326.75 is: 6,282,260.63
Step by Step Solution
- Step 1: Write the proportion equation
8,223,348.81 : 11,348,311.17 = 4,552,326.75 : x - Step 2: Convert to fraction form
8,223,348.81/11,348,311.17 = 4,552,326.75/x - Step 3: Cross multiply
8,223,348.81x = 11,348,311.17 × 4,552,326.75 - Step 4: Simplify right side
8,223,348.81x = 51,661,220,506,514.80 - Step 5: Solve for x
x = 51,661,220,506,514.80/8,223,348.81 - Step 6: Final answer
x = 6,282,260.63
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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.