Finding the Fourth Proportional to 6,907,415.90, 9,529,293.29 and 5,068,679.24
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Solution
The fourth proportional to 6,907,415.90, 9,529,293.29 and 5,068,679.24 is: 6,992,619.50
Step by Step Solution
- Step 1: Write the proportion equation
6,907,415.90 : 9,529,293.29 = 5,068,679.24 : x - Step 2: Convert to fraction form
6,907,415.90/9,529,293.29 = 5,068,679.24/x - Step 3: Cross multiply
6,907,415.90x = 9,529,293.29 × 5,068,679.24 - Step 4: Simplify right side
6,907,415.90x = 48,300,931,069,374.13 - Step 5: Solve for x
x = 48,300,931,069,374.13/6,907,415.90 - Step 6: Final answer
x = 6,992,619.50
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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.