Finding the Fourth Proportional to 11,574,629.02, 15,973,706.04 and 6,417,990.56
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Solution
The fourth proportional to 11,574,629.02, 15,973,706.04 and 6,417,990.56 is: 8,857,225.09
Step by Step Solution
- Step 1: Write the proportion equation
11,574,629.02 : 15,973,706.04 = 6,417,990.56 : x - Step 2: Convert to fraction form
11,574,629.02/15,973,706.04 = 6,417,990.56/x - Step 3: Cross multiply
11,574,629.02x = 15,973,706.04 × 6,417,990.56 - Step 4: Simplify right side
11,574,629.02x = 102,519,094,556,890 - Step 5: Solve for x
x = 102,519,094,556,890/11,574,629.02 - Step 6: Final answer
x = 8,857,225.09
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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.