Finding the Fourth Proportional to 7,166,372.94, 9,896,166.84 and 4,553,738.10
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Solution
The fourth proportional to 7,166,372.94, 9,896,166.84 and 4,553,738.10 is: 6,288,334.75
Step by Step Solution
- Step 1: Write the proportion equation
7,166,372.94 : 9,896,166.84 = 4,553,738.10 : x - Step 2: Convert to fraction form
7,166,372.94/9,896,166.84 = 4,553,738.10/x - Step 3: Cross multiply
7,166,372.94x = 9,896,166.84 × 4,553,738.10 - Step 4: Simplify right side
7,166,372.94x = 45,064,551,983,264.60 - Step 5: Solve for x
x = 45,064,551,983,264.60/7,166,372.94 - Step 6: Final answer
x = 6,288,334.75
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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.