Finding the Fourth Proportional to 18,090,503.10, 27,136,789.07 and 5,135,640.46
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Solution
The fourth proportional to 18,090,503.10, 27,136,789.07 and 5,135,640.46 is: 7,703,754.34
Step by Step Solution
- Step 1: Write the proportion equation
18,090,503.10 : 27,136,789.07 = 5,135,640.46 : x - Step 2: Convert to fraction form
18,090,503.10/27,136,789.07 = 5,135,640.46/x - Step 3: Cross multiply
18,090,503.10x = 27,136,789.07 × 5,135,640.46 - Step 4: Simplify right side
18,090,503.10x = 139,364,791,808,857.59 - Step 5: Solve for x
x = 139,364,791,808,857.59/18,090,503.10 - Step 6: Final answer
x = 7,703,754.34
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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.