Finding the Fourth Proportional to 29,994,424.68, 41,392,242.90 and 16,243,346.28
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Solution
The fourth proportional to 29,994,424.68, 41,392,242.90 and 16,243,346.28 is: 22,415,783.66
Step by Step Solution
- Step 1: Write the proportion equation
29,994,424.68 : 41,392,242.90 = 16,243,346.28 : x - Step 2: Convert to fraction form
29,994,424.68/41,392,242.90 = 16,243,346.28/x - Step 3: Cross multiply
29,994,424.68x = 41,392,242.90 × 16,243,346.28 - Step 4: Simplify right side
29,994,424.68x = 672,348,534,730,571.38 - Step 5: Solve for x
x = 672,348,534,730,571.38/29,994,424.68 - Step 6: Final answer
x = 22,415,783.66
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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.