Finding the Fourth Proportional to 10,042,593.84, 15,051,282.84 and 5,431,396.28
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Solution
The fourth proportional to 10,042,593.84, 15,051,282.84 and 5,431,396.28 is: 8,140,275.60
Step by Step Solution
- Step 1: Write the proportion equation
10,042,593.84 : 15,051,282.84 = 5,431,396.28 : x - Step 2: Convert to fraction form
10,042,593.84/15,051,282.84 = 5,431,396.28/x - Step 3: Cross multiply
10,042,593.84x = 15,051,282.84 × 5,431,396.28 - Step 4: Simplify right side
10,042,593.84x = 81,749,481,551,147.42 - Step 5: Solve for x
x = 81,749,481,551,147.42/10,042,593.84 - Step 6: Final answer
x = 8,140,275.60
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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.