Finding the Fourth Proportional to 18,374,097.78, 27,580,299.12 and 8,146,139.94
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Solution
The fourth proportional to 18,374,097.78, 27,580,299.12 and 8,146,139.94 is: 12,227,701.13
Step by Step Solution
- Step 1: Write the proportion equation
18,374,097.78 : 27,580,299.12 = 8,146,139.94 : x - Step 2: Convert to fraction form
18,374,097.78/27,580,299.12 = 8,146,139.94/x - Step 3: Cross multiply
18,374,097.78x = 27,580,299.12 × 8,146,139.94 - Step 4: Simplify right side
18,374,097.78x = 224,672,976,218,578.88 - Step 5: Solve for x
x = 224,672,976,218,578.88/18,374,097.78 - Step 6: Final answer
x = 12,227,701.13
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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.