Finding the Fourth Proportional to 7,427,414.94, 11,141,160.86 and 3,381,072.99
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Solution
The fourth proportional to 7,427,414.94, 11,141,160.86 and 3,381,072.99 is: 5,071,626.99
Step by Step Solution
- Step 1: Write the proportion equation
7,427,414.94 : 11,141,160.86 = 3,381,072.99 : x - Step 2: Convert to fraction form
7,427,414.94/11,141,160.86 = 3,381,072.99/x - Step 3: Cross multiply
7,427,414.94x = 11,141,160.86 × 3,381,072.99 - Step 4: Simplify right side
7,427,414.94x = 37,669,078,060,991.17 - Step 5: Solve for x
x = 37,669,078,060,991.17/7,427,414.94 - Step 6: Final answer
x = 5,071,626.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.