Finding the Fourth Proportional to 7,816,728.51, 11,724,529.61 and 2,425,240.13
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Solution
The fourth proportional to 7,816,728.51, 11,724,529.61 and 2,425,240.13 is: 3,637,685.46
Step by Step Solution
- Step 1: Write the proportion equation
7,816,728.51 : 11,724,529.61 = 2,425,240.13 : x - Step 2: Convert to fraction form
7,816,728.51/11,724,529.61 = 2,425,240.13/x - Step 3: Cross multiply
7,816,728.51x = 11,724,529.61 × 2,425,240.13 - Step 4: Simplify right side
7,816,728.51x = 28,434,799,662,985.70 - Step 5: Solve for x
x = 28,434,799,662,985.70/7,816,728.51 - Step 6: Final answer
x = 3,637,685.46
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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.