Finding the Fourth Proportional to 36,378,541.80, 50,203,575.89 and 19,859,547.19
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Solution
The fourth proportional to 36,378,541.80, 50,203,575.89 and 19,859,547.19 is: 27,406,823.78
Step by Step Solution
- Step 1: Write the proportion equation
36,378,541.80 : 50,203,575.89 = 19,859,547.19 : x - Step 2: Convert to fraction form
36,378,541.80/50,203,575.89 = 19,859,547.19/x - Step 3: Cross multiply
36,378,541.80x = 50,203,575.89 × 19,859,547.19 - Step 4: Simplify right side
36,378,541.80x = 997,020,284,494,201.38 - Step 5: Solve for x
x = 997,020,284,494,201.38/36,378,541.80 - Step 6: Final answer
x = 27,406,823.78
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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.