Finding the Fourth Proportional to 11,056,472.26, 15,257,982.86 and 6,413,006.52
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Solution
The fourth proportional to 11,056,472.26, 15,257,982.86 and 6,413,006.52 is: 8,849,978.66
Step by Step Solution
- Step 1: Write the proportion equation
11,056,472.26 : 15,257,982.86 = 6,413,006.52 : x - Step 2: Convert to fraction form
11,056,472.26/15,257,982.86 = 6,413,006.52/x - Step 3: Cross multiply
11,056,472.26x = 15,257,982.86 × 6,413,006.52 - Step 4: Simplify right side
11,056,472.26x = 97,849,543,555,211.98 - Step 5: Solve for x
x = 97,849,543,555,211.98/11,056,472.26 - Step 6: Final answer
x = 8,849,978.66
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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.