Finding the Fourth Proportional to 8,759,454.78, 12,000,252.90 and 8,431,963.68
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Solution
The fourth proportional to 8,759,454.78, 12,000,252.90 and 8,431,963.68 is: 11,551,597.58
Step by Step Solution
- Step 1: Write the proportion equation
8,759,454.78 : 12,000,252.90 = 8,431,963.68 : x - Step 2: Convert to fraction form
8,759,454.78/12,000,252.90 = 8,431,963.68/x - Step 3: Cross multiply
8,759,454.78x = 12,000,252.90 × 8,431,963.68 - Step 4: Simplify right side
8,759,454.78x = 101,185,696,603,614.67 - Step 5: Solve for x
x = 101,185,696,603,614.67/8,759,454.78 - Step 6: Final answer
x = 11,551,597.58
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.