Finding the Fourth Proportional to 6,787,680.48, 9,366,916.50 and 5,053,099.68
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Solution
The fourth proportional to 6,787,680.48, 9,366,916.50 and 5,053,099.68 is: 6,973,216.09
Step by Step Solution
- Step 1: Write the proportion equation
6,787,680.48 : 9,366,916.50 = 5,053,099.68 : x - Step 2: Convert to fraction form
6,787,680.48/9,366,916.50 = 5,053,099.68/x - Step 3: Cross multiply
6,787,680.48x = 9,366,916.50 × 5,053,099.68 - Step 4: Simplify right side
6,787,680.48x = 47,331,962,768,736.72 - Step 5: Solve for x
x = 47,331,962,768,736.72/6,787,680.48 - Step 6: Final answer
x = 6,973,216.09
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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.