Finding the Fourth Proportional to 19,887,882.37, 29,832,465.12 and 5,511,088.69
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Solution
The fourth proportional to 19,887,882.37, 29,832,465.12 and 5,511,088.69 is: 8,266,810.82
Step by Step Solution
- Step 1: Write the proportion equation
19,887,882.37 : 29,832,465.12 = 5,511,088.69 : x - Step 2: Convert to fraction form
19,887,882.37/29,832,465.12 = 5,511,088.69/x - Step 3: Cross multiply
19,887,882.37x = 29,832,465.12 × 5,511,088.69 - Step 4: Simplify right side
19,887,882.37x = 164,409,361,117,651.50 - Step 5: Solve for x
x = 164,409,361,117,651.50/19,887,882.37 - Step 6: Final answer
x = 8,266,810.82
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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.