Finding the Fourth Proportional to 19,682,829.80, 29,524,244.70 and 12,085,159.40
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Solution
The fourth proportional to 19,682,829.80, 29,524,244.70 and 12,085,159.40 is: 18,127,739.10
Step by Step Solution
- Step 1: Write the proportion equation
19,682,829.80 : 29,524,244.70 = 12,085,159.40 : x - Step 2: Convert to fraction form
19,682,829.80/29,524,244.70 = 12,085,159.40/x - Step 3: Cross multiply
19,682,829.80x = 29,524,244.70 × 12,085,159.40 - Step 4: Simplify right side
19,682,829.80x = 356,805,203,364,105.19 - Step 5: Solve for x
x = 356,805,203,364,105.19/19,682,829.80 - Step 6: Final answer
x = 18,127,739.10
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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.