Finding the Fourth Proportional to 18,779,863.14, 28,173,836.16 and 5,825,755.62
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Solution
The fourth proportional to 18,779,863.14, 28,173,836.16 and 5,825,755.62 is: 8,739,887.14
Step by Step Solution
- Step 1: Write the proportion equation
18,779,863.14 : 28,173,836.16 = 5,825,755.62 : x - Step 2: Convert to fraction form
18,779,863.14/28,173,836.16 = 5,825,755.62/x - Step 3: Cross multiply
18,779,863.14x = 28,173,836.16 × 5,825,755.62 - Step 4: Simplify right side
18,779,863.14x = 164,133,884,346,079.22 - Step 5: Solve for x
x = 164,133,884,346,079.22/18,779,863.14 - Step 6: Final answer
x = 8,739,887.14
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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.