Finding the Fourth Proportional to 19,887,880.87, 29,832,462.87 and 5,511,087.19
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Solution
The fourth proportional to 19,887,880.87, 29,832,462.87 and 5,511,087.19 is: 8,266,808.57
Step by Step Solution
- Step 1: Write the proportion equation
19,887,880.87 : 29,832,462.87 = 5,511,087.19 : x - Step 2: Convert to fraction form
19,887,880.87/29,832,462.87 = 5,511,087.19/x - Step 3: Cross multiply
19,887,880.87x = 29,832,462.87 × 5,511,087.19 - Step 4: Simplify right side
19,887,880.87x = 164,409,303,969,007.66 - Step 5: Solve for x
x = 164,409,303,969,007.66/19,887,880.87 - Step 6: Final answer
x = 8,266,808.57
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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.