Finding the Fourth Proportional to 7,894,796.63, 10,894,852.15 and 4,273,124.63
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Solution
The fourth proportional to 7,894,796.63, 10,894,852.15 and 4,273,124.63 is: 5,896,929.74
Step by Step Solution
- Step 1: Write the proportion equation
7,894,796.63 : 10,894,852.15 = 4,273,124.63 : x - Step 2: Convert to fraction form
7,894,796.63/10,894,852.15 = 4,273,124.63/x - Step 3: Cross multiply
7,894,796.63x = 10,894,852.15 × 4,273,124.63 - Step 4: Simplify right side
7,894,796.63x = 46,555,060,997,216.38 - Step 5: Solve for x
x = 46,555,060,997,216.38/7,894,796.63 - Step 6: Final answer
x = 5,896,929.74
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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.