Finding the Fourth Proportional to 21,703,293.16, 32,512,375.59 and 12,586,236.99
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Solution
The fourth proportional to 21,703,293.16, 32,512,375.59 and 12,586,236.99 is: 18,854,671.56
Step by Step Solution
- Step 1: Write the proportion equation
21,703,293.16 : 32,512,375.59 = 12,586,236.99 : x - Step 2: Convert to fraction form
21,703,293.16/32,512,375.59 = 12,586,236.99/x - Step 3: Cross multiply
21,703,293.16x = 32,512,375.59 × 12,586,236.99 - Step 4: Simplify right side
21,703,293.16x = 409,208,464,283,631.06 - Step 5: Solve for x
x = 409,208,464,283,631.06/21,703,293.16 - Step 6: Final answer
x = 18,854,671.56
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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.