Finding the Fourth Proportional to 13,291,292.70, 19,936,939.05 and 3,193,913.70
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Solution
The fourth proportional to 13,291,292.70, 19,936,939.05 and 3,193,913.70 is: 4,790,870.55
Step by Step Solution
- Step 1: Write the proportion equation
13,291,292.70 : 19,936,939.05 = 3,193,913.70 : x - Step 2: Convert to fraction form
13,291,292.70/19,936,939.05 = 3,193,913.70/x - Step 3: Cross multiply
13,291,292.70x = 19,936,939.05 × 3,193,913.70 - Step 4: Simplify right side
13,291,292.70x = 63,676,862,767,859.99 - Step 5: Solve for x
x = 63,676,862,767,859.99/13,291,292.70 - Step 6: Final answer
x = 4,790,870.55
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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.