Finding the Fourth Proportional to 16,855,805.80, 25,283,708.70 and 12,551,133.70
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Solution
The fourth proportional to 16,855,805.80, 25,283,708.70 and 12,551,133.70 is: 18,826,700.55
Step by Step Solution
- Step 1: Write the proportion equation
16,855,805.80 : 25,283,708.70 = 12,551,133.70 : x - Step 2: Convert to fraction form
16,855,805.80/25,283,708.70 = 12,551,133.70/x - Step 3: Cross multiply
16,855,805.80x = 25,283,708.70 × 12,551,133.70 - Step 4: Simplify right side
16,855,805.80x = 317,339,208,325,553.19 - Step 5: Solve for x
x = 317,339,208,325,553.19/16,855,805.80 - Step 6: Final answer
x = 18,826,700.55
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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.