Finding the Fourth Proportional to 8,398,163.58, 11,591,356.05 and 5,495,872.95
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Solution
The fourth proportional to 8,398,163.58, 11,591,356.05 and 5,495,872.95 is: 7,585,541.70
Step by Step Solution
- Step 1: Write the proportion equation
8,398,163.58 : 11,591,356.05 = 5,495,872.95 : x - Step 2: Convert to fraction form
8,398,163.58/11,591,356.05 = 5,495,872.95/x - Step 3: Cross multiply
8,398,163.58x = 11,591,356.05 × 5,495,872.95 - Step 4: Simplify right side
8,398,163.58x = 63,704,620,104,936.74 - Step 5: Solve for x
x = 63,704,620,104,936.74/8,398,163.58 - Step 6: Final answer
x = 7,585,541.70
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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.