Finding the Fourth Proportional to 19,483,364.20, 29,225,046.30 and 11,906,429.80
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Solution
The fourth proportional to 19,483,364.20, 29,225,046.30 and 11,906,429.80 is: 17,859,644.70
Step by Step Solution
- Step 1: Write the proportion equation
19,483,364.20 : 29,225,046.30 = 11,906,429.80 : x - Step 2: Convert to fraction form
19,483,364.20/29,225,046.30 = 11,906,429.80/x - Step 3: Cross multiply
19,483,364.20x = 29,225,046.30 × 11,906,429.80 - Step 4: Simplify right side
19,483,364.20x = 347,965,962,172,699.75 - Step 5: Solve for x
x = 347,965,962,172,699.75/19,483,364.20 - Step 6: Final answer
x = 17,859,644.70
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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.