Finding the Fourth Proportional to 19,202,114.16, 28,732,312.37 and 11,530,431.18
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Solution
The fourth proportional to 19,202,114.16, 28,732,312.37 and 11,530,431.18 is: 17,253,097.63
Step by Step Solution
- Step 1: Write the proportion equation
19,202,114.16 : 28,732,312.37 = 11,530,431.18 : x - Step 2: Convert to fraction form
19,202,114.16/28,732,312.37 = 11,530,431.18/x - Step 3: Cross multiply
19,202,114.16x = 28,732,312.37 × 11,530,431.18 - Step 4: Simplify right side
19,202,114.16x = 331,295,950,323,920.12 - Step 5: Solve for x
x = 331,295,950,323,920.12/19,202,114.16 - Step 6: Final answer
x = 17,253,097.63
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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.