Finding the Fourth Proportional to 10,973,340.87, 16,393,269.93 and 7,103,638.44
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Solution
The fourth proportional to 10,973,340.87, 16,393,269.93 and 7,103,638.44 is: 10,612,252.35
Step by Step Solution
- Step 1: Write the proportion equation
10,973,340.87 : 16,393,269.93 = 7,103,638.44 : x - Step 2: Convert to fraction form
10,973,340.87/16,393,269.93 = 7,103,638.44/x - Step 3: Cross multiply
10,973,340.87x = 16,393,269.93 × 7,103,638.44 - Step 4: Simplify right side
10,973,340.87x = 116,451,862,432,044.11 - Step 5: Solve for x
x = 116,451,862,432,044.11/10,973,340.87 - Step 6: Final answer
x = 10,612,252.35
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.