Finding the Fourth Proportional to 21,703,294.16, 32,512,377.09 and 12,586,237.99
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Solution
The fourth proportional to 21,703,294.16, 32,512,377.09 and 12,586,237.99 is: 18,854,673.06
Step by Step Solution
- Step 1: Write the proportion equation
21,703,294.16 : 32,512,377.09 = 12,586,237.99 : x - Step 2: Convert to fraction form
21,703,294.16/32,512,377.09 = 12,586,237.99/x - Step 3: Cross multiply
21,703,294.16x = 32,512,377.09 × 12,586,237.99 - Step 4: Simplify right side
21,703,294.16x = 409,208,515,675,363.62 - Step 5: Solve for x
x = 409,208,515,675,363.62/21,703,294.16 - Step 6: Final answer
x = 18,854,673.06
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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.