Finding the Fourth Proportional to 14,522,893.92, 20,041,428.24 and 7,996,386.96
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Solution
The fourth proportional to 14,522,893.92, 20,041,428.24 and 7,996,386.96 is: 11,034,922.95
Step by Step Solution
- Step 1: Write the proportion equation
14,522,893.92 : 20,041,428.24 = 7,996,386.96 : x - Step 2: Convert to fraction form
14,522,893.92/20,041,428.24 = 7,996,386.96/x - Step 3: Cross multiply
14,522,893.92x = 20,041,428.24 × 7,996,386.96 - Step 4: Simplify right side
14,522,893.92x = 160,259,015,438,111.75 - Step 5: Solve for x
x = 160,259,015,438,111.75/14,522,893.92 - Step 6: Final answer
x = 11,034,922.95
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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.