Finding the Fourth Proportional to 17,866,511.25, 26,788,955.54 and 8,016,768.99
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Solution
The fourth proportional to 17,866,511.25, 26,788,955.54 and 8,016,768.99 is: 12,020,302.40
Step by Step Solution
- Step 1: Write the proportion equation
17,866,511.25 : 26,788,955.54 = 8,016,768.99 : x - Step 2: Convert to fraction form
17,866,511.25/26,788,955.54 = 8,016,768.99/x - Step 3: Cross multiply
17,866,511.25x = 26,788,955.54 × 8,016,768.99 - Step 4: Simplify right side
17,866,511.25x = 214,760,868,047,560.72 - Step 5: Solve for x
x = 214,760,868,047,560.72/17,866,511.25 - Step 6: Final answer
x = 12,020,302.40
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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.