Finding the Fourth Proportional to 7,806,511.93, 11,715,657.77 and 5,338,631.14
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Solution
The fourth proportional to 7,806,511.93, 11,715,657.77 and 5,338,631.14 is: 8,011,974.61
Step by Step Solution
- Step 1: Write the proportion equation
7,806,511.93 : 11,715,657.77 = 5,338,631.14 : x - Step 2: Convert to fraction form
7,806,511.93/11,715,657.77 = 5,338,631.14/x - Step 3: Cross multiply
7,806,511.93x = 11,715,657.77 × 5,338,631.14 - Step 4: Simplify right side
7,806,511.93x = 62,545,575,396,504.95 - Step 5: Solve for x
x = 62,545,575,396,504.95/7,806,511.93 - Step 6: Final answer
x = 8,011,974.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.