Finding the Fourth Proportional to 11,466,274.21, 15,823,258.20 and 6,239,106.02
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Solution
The fourth proportional to 11,466,274.21, 15,823,258.20 and 6,239,106.02 is: 8,609,857.37
Step by Step Solution
- Step 1: Write the proportion equation
11,466,274.21 : 15,823,258.20 = 6,239,106.02 : x - Step 2: Convert to fraction form
11,466,274.21/15,823,258.20 = 6,239,106.02/x - Step 3: Cross multiply
11,466,274.21x = 15,823,258.20 × 6,239,106.02 - Step 4: Simplify right side
11,466,274.21x = 98,722,985,531,192.50 - Step 5: Solve for x
x = 98,722,985,531,192.50/11,466,274.21 - Step 6: Final answer
x = 8,609,857.37
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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.