Finding the Fourth Proportional to 11,902,673.53, 16,425,869.45 and 6,676,840.11
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Solution
The fourth proportional to 11,902,673.53, 16,425,869.45 and 6,676,840.11 is: 9,214,140.32
Step by Step Solution
- Step 1: Write the proportion equation
11,902,673.53 : 16,425,869.45 = 6,676,840.11 : x - Step 2: Convert to fraction form
11,902,673.53/16,425,869.45 = 6,676,840.11/x - Step 3: Cross multiply
11,902,673.53x = 16,425,869.45 × 6,676,840.11 - Step 4: Simplify right side
11,902,673.53x = 109,672,904,069,928.95 - Step 5: Solve for x
x = 109,672,904,069,928.95/11,902,673.53 - Step 6: Final answer
x = 9,214,140.32
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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.