Finding the Fourth Proportional to 8,317,998.63, 12,477,383.29 and 2,560,990.13
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Solution
The fourth proportional to 8,317,998.63, 12,477,383.29 and 2,560,990.13 is: 3,841,603.83
Step by Step Solution
- Step 1: Write the proportion equation
8,317,998.63 : 12,477,383.29 = 2,560,990.13 : x - Step 2: Convert to fraction form
8,317,998.63/12,477,383.29 = 2,560,990.13/x - Step 3: Cross multiply
8,317,998.63x = 12,477,383.29 × 2,560,990.13 - Step 4: Simplify right side
8,317,998.63x = 31,954,455,385,127.54 - Step 5: Solve for x
x = 31,954,455,385,127.54/8,317,998.63 - Step 6: Final answer
x = 3,841,603.83
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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.