Finding the Fourth Proportional to 21,260,135.43, 29,323,321.66 and 16,033,363.62
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Solution
The fourth proportional to 21,260,135.43, 29,323,321.66 and 16,033,363.62 is: 22,114,227.84
Step by Step Solution
- Step 1: Write the proportion equation
21,260,135.43 : 29,323,321.66 = 16,033,363.62 : x - Step 2: Convert to fraction form
21,260,135.43/29,323,321.66 = 16,033,363.62/x - Step 3: Cross multiply
21,260,135.43x = 29,323,321.66 × 16,033,363.62 - Step 4: Simplify right side
21,260,135.43x = 470,151,478,721,002 - Step 5: Solve for x
x = 470,151,478,721,002/21,260,135.43 - Step 6: Final answer
x = 22,114,227.84
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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.