Finding the Fourth Proportional to 13,291,097.11, 19,936,645.67 and 3,193,718.11
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Solution
The fourth proportional to 13,291,097.11, 19,936,645.67 and 3,193,718.11 is: 4,790,577.17
Step by Step Solution
- Step 1: Write the proportion equation
13,291,097.11 : 19,936,645.67 = 3,193,718.11 : x - Step 2: Convert to fraction form
13,291,097.11/19,936,645.67 = 3,193,718.11/x - Step 3: Cross multiply
13,291,097.11x = 19,936,645.67 × 3,193,718.11 - Step 4: Simplify right side
13,291,097.11x = 63,672,026,328,932.09 - Step 5: Solve for x
x = 63,672,026,328,932.09/13,291,097.11 - Step 6: Final answer
x = 4,790,577.17
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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.