Finding the Fourth Proportional to 9,079,684.09, 12,529,860.30 and 4,949,624.09
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Solution
The fourth proportional to 9,079,684.09, 12,529,860.30 and 4,949,624.09 is: 6,830,424.70
Step by Step Solution
- Step 1: Write the proportion equation
9,079,684.09 : 12,529,860.30 = 4,949,624.09 : x - Step 2: Convert to fraction form
9,079,684.09/12,529,860.30 = 4,949,624.09/x - Step 3: Cross multiply
9,079,684.09x = 12,529,860.30 × 4,949,624.09 - Step 4: Simplify right side
9,079,684.09x = 62,018,098,416,539.28 - Step 5: Solve for x
x = 62,018,098,416,539.28/9,079,684.09 - Step 6: Final answer
x = 6,830,424.70
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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.