Finding the Fourth Proportional to 19,646,431.99, 29,474,065.79 and 5,998,436.62
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Solution
The fourth proportional to 19,646,431.99, 29,474,065.79 and 5,998,436.62 is: 8,999,003.77
Step by Step Solution
- Step 1: Write the proportion equation
19,646,431.99 : 29,474,065.79 = 5,998,436.62 : x - Step 2: Convert to fraction form
19,646,431.99/29,474,065.79 = 5,998,436.62/x - Step 3: Cross multiply
19,646,431.99x = 29,474,065.79 × 5,998,436.62 - Step 4: Simplify right side
19,646,431.99x = 176,798,315,575,025.22 - Step 5: Solve for x
x = 176,798,315,575,025.22/19,646,431.99 - Step 6: Final answer
x = 8,999,003.77
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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.