Finding the Fourth Proportional to 32,144,943.40, 48,217,415.10 and 19,379,861.80
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Solution
The fourth proportional to 32,144,943.40, 48,217,415.10 and 19,379,861.80 is: 29,069,792.70
Step by Step Solution
- Step 1: Write the proportion equation
32,144,943.40 : 48,217,415.10 = 19,379,861.80 : x - Step 2: Convert to fraction form
32,144,943.40/48,217,415.10 = 19,379,861.80/x - Step 3: Cross multiply
32,144,943.40x = 48,217,415.10 × 19,379,861.80 - Step 4: Simplify right side
32,144,943.40x = 934,446,840,991,233.25 - Step 5: Solve for x
x = 934,446,840,991,233.25/32,144,943.40 - Step 6: Final answer
x = 29,069,792.70
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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.