Finding the Fourth Proportional to 29,133,625.60, 43,705,687.20 and 12,096,020.80
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Solution
The fourth proportional to 29,133,625.60, 43,705,687.20 and 12,096,020.80 is: 18,146,210.45
Step by Step Solution
- Step 1: Write the proportion equation
29,133,625.60 : 43,705,687.20 = 12,096,020.80 : x - Step 2: Convert to fraction form
29,133,625.60/43,705,687.20 = 12,096,020.80/x - Step 3: Cross multiply
29,133,625.60x = 43,705,687.20 × 12,096,020.80 - Step 4: Simplify right side
29,133,625.60x = 528,664,901,449,493.81 - Step 5: Solve for x
x = 528,664,901,449,493.81/29,133,625.60 - Step 6: Final answer
x = 18,146,210.45
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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.