Finding the Fourth Proportional to 8,866,232.15, 12,235,122.91 and 5,197,592.16
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Solution
The fourth proportional to 8,866,232.15, 12,235,122.91 and 5,197,592.16 is: 7,172,514.54
Step by Step Solution
- Step 1: Write the proportion equation
8,866,232.15 : 12,235,122.91 = 5,197,592.16 : x - Step 2: Convert to fraction form
8,866,232.15/12,235,122.91 = 5,197,592.16/x - Step 3: Cross multiply
8,866,232.15x = 12,235,122.91 × 5,197,592.16 - Step 4: Simplify right side
8,866,232.15x = 63,593,178,970,665.23 - Step 5: Solve for x
x = 63,593,178,970,665.23/8,866,232.15 - Step 6: Final answer
x = 7,172,514.54
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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.