Finding the Fourth Proportional to 21,703,290.66, 32,512,371.84 and 12,586,234.48
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Solution
The fourth proportional to 21,703,290.66, 32,512,371.84 and 12,586,234.48 is: 18,854,667.79
Step by Step Solution
- Step 1: Write the proportion equation
21,703,290.66 : 32,512,371.84 = 12,586,234.48 : x - Step 2: Convert to fraction form
21,703,290.66/32,512,371.84 = 12,586,234.48/x - Step 3: Cross multiply
21,703,290.66x = 32,512,371.84 × 12,586,234.48 - Step 4: Simplify right side
21,703,290.66x = 409,208,335,397,908.06 - Step 5: Solve for x
x = 409,208,335,397,908.06/21,703,290.66 - Step 6: Final answer
x = 18,854,667.79
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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.