Finding the Fourth Proportional to 13,291,098.12, 19,936,647.16 and 3,193,719.12
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Solution
The fourth proportional to 13,291,098.12, 19,936,647.16 and 3,193,719.12 is: 4,790,578.68
Step by Step Solution
- Step 1: Write the proportion equation
13,291,098.12 : 19,936,647.16 = 3,193,719.12 : x - Step 2: Convert to fraction form
13,291,098.12/19,936,647.16 = 3,193,719.12/x - Step 3: Cross multiply
13,291,098.12x = 19,936,647.16 × 3,193,719.12 - Step 4: Simplify right side
13,291,098.12x = 63,672,051,223,585.70 - Step 5: Solve for x
x = 63,672,051,223,585.70/13,291,098.12 - Step 6: Final answer
x = 4,790,578.68
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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.