Finding the Fourth Proportional to 29,974,423.74, 41,365,706.58 and 18,369,744.90
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Solution
The fourth proportional to 29,974,423.74, 41,365,706.58 and 18,369,744.90 is: 25,350,861.92
Step by Step Solution
- Step 1: Write the proportion equation
29,974,423.74 : 41,365,706.58 = 18,369,744.90 : x - Step 2: Convert to fraction form
29,974,423.74/41,365,706.58 = 18,369,744.90/x - Step 3: Cross multiply
29,974,423.74x = 41,365,706.58 × 18,369,744.90 - Step 4: Simplify right side
29,974,423.74x = 759,877,477,482,851.38 - Step 5: Solve for x
x = 759,877,477,482,851.38/29,974,423.74 - Step 6: Final answer
x = 25,350,861.92
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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.