Finding the Fourth Proportional to 14,901,470.40, 22,334,490.90 and 13,378,006.20
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Solution
The fourth proportional to 14,901,470.40, 22,334,490.90 and 13,378,006.20 is: 20,051,105.68
Step by Step Solution
- Step 1: Write the proportion equation
14,901,470.40 : 22,334,490.90 = 13,378,006.20 : x - Step 2: Convert to fraction form
14,901,470.40/22,334,490.90 = 13,378,006.20/x - Step 3: Cross multiply
14,901,470.40x = 22,334,490.90 × 13,378,006.20 - Step 4: Simplify right side
14,901,470.40x = 298,790,957,734,043.56 - Step 5: Solve for x
x = 298,790,957,734,043.56/14,901,470.40 - Step 6: Final answer
x = 20,051,105.68
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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.