Finding the Fourth Proportional to 18,489,013.80, 27,710,805.42 and 10,384,954.08
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Solution
The fourth proportional to 18,489,013.80, 27,710,805.42 and 10,384,954.08 is: 15,564,672.35
Step by Step Solution
- Step 1: Write the proportion equation
18,489,013.80 : 27,710,805.42 = 10,384,954.08 : x - Step 2: Convert to fraction form
18,489,013.80/27,710,805.42 = 10,384,954.08/x - Step 3: Cross multiply
18,489,013.80x = 27,710,805.42 × 10,384,954.08 - Step 4: Simplify right side
18,489,013.80x = 287,775,441,806,515.12 - Step 5: Solve for x
x = 287,775,441,806,515.12/18,489,013.80 - Step 6: Final answer
x = 15,564,672.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.