Finding the Fourth Proportional to 14,273,348.16, 19,682,331.48 and 8,471,008.88
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Solution
The fourth proportional to 14,273,348.16, 19,682,331.48 and 8,471,008.88 is: 11,681,155.88
Step by Step Solution
- Step 1: Write the proportion equation
14,273,348.16 : 19,682,331.48 = 8,471,008.88 : x - Step 2: Convert to fraction form
14,273,348.16/19,682,331.48 = 8,471,008.88/x - Step 3: Cross multiply
14,273,348.16x = 19,682,331.48 × 8,471,008.88 - Step 4: Simplify right side
14,273,348.16x = 166,729,204,746,183.56 - Step 5: Solve for x
x = 166,729,204,746,183.56/14,273,348.16 - Step 6: Final answer
x = 11,681,155.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.