Finding the Fourth Proportional to 22,335,435.87, 30,823,649.94 and 12,412,736.68
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Solution
The fourth proportional to 22,335,435.87, 30,823,649.94 and 12,412,736.68 is: 17,129,992.55
Step by Step Solution
- Step 1: Write the proportion equation
22,335,435.87 : 30,823,649.94 = 12,412,736.68 : x - Step 2: Convert to fraction form
22,335,435.87/30,823,649.94 = 12,412,736.68/x - Step 3: Cross multiply
22,335,435.87x = 30,823,649.94 × 12,412,736.68 - Step 4: Simplify right side
22,335,435.87x = 382,605,850,179,179.12 - Step 5: Solve for x
x = 382,605,850,179,179.12/22,335,435.87 - Step 6: Final answer
x = 17,129,992.55
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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.