Finding the Fourth Proportional to 14,471,855.20, 21,720,224.40 and 6,397,256.80
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Solution
The fourth proportional to 14,471,855.20, 21,720,224.40 and 6,397,256.80 is: 9,601,384.99
Step by Step Solution
- Step 1: Write the proportion equation
14,471,855.20 : 21,720,224.40 = 6,397,256.80 : x - Step 2: Convert to fraction form
14,471,855.20/21,720,224.40 = 6,397,256.80/x - Step 3: Cross multiply
14,471,855.20x = 21,720,224.40 × 6,397,256.80 - Step 4: Simplify right side
14,471,855.20x = 138,949,853,240,425.91 - Step 5: Solve for x
x = 138,949,853,240,425.91/14,471,855.20 - Step 6: Final answer
x = 9,601,384.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.