Finding the Fourth Proportional to 19,887,879.87, 29,832,461.37 and 5,511,086.19
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Solution
The fourth proportional to 19,887,879.87, 29,832,461.37 and 5,511,086.19 is: 8,266,807.07
Step by Step Solution
- Step 1: Write the proportion equation
19,887,879.87 : 29,832,461.37 = 5,511,086.19 : x - Step 2: Convert to fraction form
19,887,879.87/29,832,461.37 = 5,511,086.19/x - Step 3: Cross multiply
19,887,879.87x = 29,832,461.37 × 5,511,086.19 - Step 4: Simplify right side
19,887,879.87x = 164,409,265,869,915.50 - Step 5: Solve for x
x = 164,409,265,869,915.50/19,887,879.87 - Step 6: Final answer
x = 8,266,807.07
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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.