Finding the Fourth Proportional to 20,833,409.80, 31,250,118.30 and 8,696,252.20
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Solution
The fourth proportional to 20,833,409.80, 31,250,118.30 and 8,696,252.20 is: 13,044,379.80
Step by Step Solution
- Step 1: Write the proportion equation
20,833,409.80 : 31,250,118.30 = 8,696,252.20 : x - Step 2: Convert to fraction form
20,833,409.80/31,250,118.30 = 8,696,252.20/x - Step 3: Cross multiply
20,833,409.80x = 31,250,118.30 × 8,696,252.20 - Step 4: Simplify right side
20,833,409.80x = 271,758,910,016,635.25 - Step 5: Solve for x
x = 271,758,910,016,635.25/20,833,409.80 - Step 6: Final answer
x = 13,044,379.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.