Finding the Fourth Proportional to 10,237,797.74, 14,128,074.26 and 5,654,020.70
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Solution
The fourth proportional to 10,237,797.74, 14,128,074.26 and 5,654,020.70 is: 7,802,500.72
Step by Step Solution
- Step 1: Write the proportion equation
10,237,797.74 : 14,128,074.26 = 5,654,020.70 : x - Step 2: Convert to fraction form
10,237,797.74/14,128,074.26 = 5,654,020.70/x - Step 3: Cross multiply
10,237,797.74x = 14,128,074.26 × 5,654,020.70 - Step 4: Simplify right side
10,237,797.74x = 79,880,424,218,266.72 - Step 5: Solve for x
x = 79,880,424,218,266.72/10,237,797.74 - Step 6: Final answer
x = 7,802,500.72
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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.