Finding the Fourth Proportional to 13,291,232.70, 19,936,849.05 and 3,193,853.70
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Solution
The fourth proportional to 13,291,232.70, 19,936,849.05 and 3,193,853.70 is: 4,790,780.55
Step by Step Solution
- Step 1: Write the proportion equation
13,291,232.70 : 19,936,849.05 = 3,193,853.70 : x - Step 2: Convert to fraction form
13,291,232.70/19,936,849.05 = 3,193,853.70/x - Step 3: Cross multiply
13,291,232.70x = 19,936,849.05 × 3,193,853.70 - Step 4: Simplify right side
13,291,232.70x = 63,675,379,104,683.99 - Step 5: Solve for x
x = 63,675,379,104,683.99/13,291,232.70 - Step 6: Final answer
x = 4,790,780.55
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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.