Finding the Fourth Proportional to 49,691,722.10, 74,537,583.15 and 13,305,728.30
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Solution
The fourth proportional to 49,691,722.10, 74,537,583.15 and 13,305,728.30 is: 19,958,592.45
Step by Step Solution
- Step 1: Write the proportion equation
49,691,722.10 : 74,537,583.15 = 13,305,728.30 : x - Step 2: Convert to fraction form
49,691,722.10/74,537,583.15 = 13,305,728.30/x - Step 3: Cross multiply
49,691,722.10x = 74,537,583.15 × 13,305,728.30 - Step 4: Simplify right side
49,691,722.10x = 991,776,829,532,558.25 - Step 5: Solve for x
x = 991,776,829,532,558.25/49,691,722.10 - Step 6: Final answer
x = 19,958,592.45
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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.