Finding the Fourth Proportional to 7,380,702.08, 10,185,373.19 and 4,117,516.82
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Solution
The fourth proportional to 7,380,702.08, 10,185,373.19 and 4,117,516.82 is: 5,682,175.62
Step by Step Solution
- Step 1: Write the proportion equation
7,380,702.08 : 10,185,373.19 = 4,117,516.82 : x - Step 2: Convert to fraction form
7,380,702.08/10,185,373.19 = 4,117,516.82/x - Step 3: Cross multiply
7,380,702.08x = 10,185,373.19 × 4,117,516.82 - Step 4: Simplify right side
7,380,702.08x = 41,938,445,387,168.98 - Step 5: Solve for x
x = 41,938,445,387,168.98/7,380,702.08 - Step 6: Final answer
x = 5,682,175.62
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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.