Finding the Fourth Proportional to 18,360,020.80, 27,514,836.72 and 11,616,362.56
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Solution
The fourth proportional to 18,360,020.80, 27,514,836.72 and 11,616,362.56 is: 17,408,603.32
Step by Step Solution
- Step 1: Write the proportion equation
18,360,020.80 : 27,514,836.72 = 11,616,362.56 : x - Step 2: Convert to fraction form
18,360,020.80/27,514,836.72 = 11,616,362.56/x - Step 3: Cross multiply
18,360,020.80x = 27,514,836.72 × 11,616,362.56 - Step 4: Simplify right side
18,360,020.80x = 319,622,319,118,721.19 - Step 5: Solve for x
x = 319,622,319,118,721.19/18,360,020.80 - Step 6: Final answer
x = 17,408,603.32
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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.