Finding the Fourth Proportional to 18,544,699.29, 27,811,355.64 and 12,824,193.63
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Solution
The fourth proportional to 18,544,699.29, 27,811,355.64 and 12,824,193.63 is: 19,232,353.37
Step by Step Solution
- Step 1: Write the proportion equation
18,544,699.29 : 27,811,355.64 = 12,824,193.63 : x - Step 2: Convert to fraction form
18,544,699.29/27,811,355.64 = 12,824,193.63/x - Step 3: Cross multiply
18,544,699.29x = 27,811,355.64 × 12,824,193.63 - Step 4: Simplify right side
18,544,699.29x = 356,658,209,766,961.81 - Step 5: Solve for x
x = 356,658,209,766,961.81/18,544,699.29 - Step 6: Final answer
x = 19,232,353.37
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1.5x scale
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.