Finding the Fourth Proportional to 38,551,185.15, 57,826,974.56 and 12,992,415.99
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Solution
The fourth proportional to 38,551,185.15, 57,826,974.56 and 12,992,415.99 is: 19,488,690.32
Step by Step Solution
- Step 1: Write the proportion equation
38,551,185.15 : 57,826,974.56 = 12,992,415.99 : x - Step 2: Convert to fraction form
38,551,185.15/57,826,974.56 = 12,992,415.99/x - Step 3: Cross multiply
38,551,185.15x = 57,826,974.56 × 12,992,415.99 - Step 4: Simplify right side
38,551,185.15x = 751,312,108,861,705.12 - Step 5: Solve for x
x = 751,312,108,861,705.12/38,551,185.15 - Step 6: Final answer
x = 19,488,690.32
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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.