Finding the Fourth Proportional to 12,090,554.09, 16,656,584.68 and 8,413,146.53
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Solution
The fourth proportional to 12,090,554.09, 16,656,584.68 and 8,413,146.53 is: 11,590,394.17
Step by Step Solution
- Step 1: Write the proportion equation
12,090,554.09 : 16,656,584.68 = 8,413,146.53 : x - Step 2: Convert to fraction form
12,090,554.09/16,656,584.68 = 8,413,146.53/x - Step 3: Cross multiply
12,090,554.09x = 16,656,584.68 × 8,413,146.53 - Step 4: Simplify right side
12,090,554.09x = 140,134,287,602,193.14 - Step 5: Solve for x
x = 140,134,287,602,193.14/12,090,554.09 - Step 6: Final answer
x = 11,590,394.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.