Finding the Fourth Proportional to 14,677,020.60, 22,015,530.90 and 7,874,575.80
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Solution
The fourth proportional to 14,677,020.60, 22,015,530.90 and 7,874,575.80 is: 11,811,863.70
Step by Step Solution
- Step 1: Write the proportion equation
14,677,020.60 : 22,015,530.90 = 7,874,575.80 : x - Step 2: Convert to fraction form
14,677,020.60/22,015,530.90 = 7,874,575.80/x - Step 3: Cross multiply
14,677,020.60x = 22,015,530.90 × 7,874,575.80 - Step 4: Simplify right side
14,677,020.60x = 173,362,966,849,292.22 - Step 5: Solve for x
x = 173,362,966,849,292.22/14,677,020.60 - Step 6: Final answer
x = 11,811,863.70
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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.