Finding the Fourth Proportional to 8,491,551.42, 11,718,224.96 and 4,820,435.94
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Solution
The fourth proportional to 8,491,551.42, 11,718,224.96 and 4,820,435.94 is: 6,652,135.75
Step by Step Solution
- Step 1: Write the proportion equation
8,491,551.42 : 11,718,224.96 = 4,820,435.94 : x - Step 2: Convert to fraction form
8,491,551.42/11,718,224.96 = 4,820,435.94/x - Step 3: Cross multiply
8,491,551.42x = 11,718,224.96 × 4,820,435.94 - Step 4: Simplify right side
8,491,551.42x = 56,486,952,750,189.07 - Step 5: Solve for x
x = 56,486,952,750,189.07/8,491,551.42 - Step 6: Final answer
x = 6,652,135.75
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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.