Finding the Fourth Proportional to 8,705,338.24, 13,060,220.28 and 5,114,141.68
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Solution
The fourth proportional to 8,705,338.24, 13,060,220.28 and 5,114,141.68 is: 7,672,512.55
Step by Step Solution
- Step 1: Write the proportion equation
8,705,338.24 : 13,060,220.28 = 5,114,141.68 : x - Step 2: Convert to fraction form
8,705,338.24/13,060,220.28 = 5,114,141.68/x - Step 3: Cross multiply
8,705,338.24x = 13,060,220.28 × 5,114,141.68 - Step 4: Simplify right side
8,705,338.24x = 66,791,816,883,929.27 - Step 5: Solve for x
x = 66,791,816,883,929.27/8,705,338.24 - Step 6: Final answer
x = 7,672,512.55
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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.