Finding the Fourth Proportional to 11,902,668.54, 16,425,862.56 and 6,676,835.11
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Solution
The fourth proportional to 11,902,668.54, 16,425,862.56 and 6,676,835.11 is: 9,214,133.41
Step by Step Solution
- Step 1: Write the proportion equation
11,902,668.54 : 16,425,862.56 = 6,676,835.11 : x - Step 2: Convert to fraction form
11,902,668.54/16,425,862.56 = 6,676,835.11/x - Step 3: Cross multiply
11,902,668.54x = 16,425,862.56 × 6,676,835.11 - Step 4: Simplify right side
11,902,668.54x = 109,672,775,903,973.31 - Step 5: Solve for x
x = 109,672,775,903,973.31/11,902,668.54 - Step 6: Final answer
x = 9,214,133.41
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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.