Finding the Fourth Proportional to 39,302,988.66, 58,965,097.13 and 12,008,537.12
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Solution
The fourth proportional to 39,302,988.66, 58,965,097.13 and 12,008,537.12 is: 18,016,048.70
Step by Step Solution
- Step 1: Write the proportion equation
39,302,988.66 : 58,965,097.13 = 12,008,537.12 : x - Step 2: Convert to fraction form
39,302,988.66/58,965,097.13 = 12,008,537.12/x - Step 3: Cross multiply
39,302,988.66x = 58,965,097.13 × 12,008,537.12 - Step 4: Simplify right side
39,302,988.66x = 708,084,557,670,010.50 - Step 5: Solve for x
x = 708,084,557,670,010.50/39,302,988.66 - Step 6: Final answer
x = 18,016,048.70
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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.