Finding the Fourth Proportional to 16,939,516.92, 23,376,681.36 and 9,204,559.08
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Solution
The fourth proportional to 16,939,516.92, 23,376,681.36 and 9,204,559.08 is: 12,702,371.96
Step by Step Solution
- Step 1: Write the proportion equation
16,939,516.92 : 23,376,681.36 = 9,204,559.08 : x - Step 2: Convert to fraction form
16,939,516.92/23,376,681.36 = 9,204,559.08/x - Step 3: Cross multiply
16,939,516.92x = 23,376,681.36 × 9,204,559.08 - Step 4: Simplify right side
16,939,516.92x = 215,172,044,672,454.75 - Step 5: Solve for x
x = 215,172,044,672,454.75/16,939,516.92 - Step 6: Final answer
x = 12,702,371.96
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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.