Finding the Fourth Proportional to 13,253,274.70, 19,879,912.05 and 6,875,982.70
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Solution
The fourth proportional to 13,253,274.70, 19,879,912.05 and 6,875,982.70 is: 10,313,974.05
Step by Step Solution
- Step 1: Write the proportion equation
13,253,274.70 : 19,879,912.05 = 6,875,982.70 : x - Step 2: Convert to fraction form
13,253,274.70/19,879,912.05 = 6,875,982.70/x - Step 3: Cross multiply
13,253,274.70x = 19,879,912.05 × 6,875,982.70 - Step 4: Simplify right side
13,253,274.70x = 136,693,931,333,321.55 - Step 5: Solve for x
x = 136,693,931,333,321.55/13,253,274.70 - Step 6: Final answer
x = 10,313,974.05
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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.