Finding the Fourth Proportional to 23,246,638.51, 32,080,656.24 and 12,793,858.34
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Solution
The fourth proportional to 23,246,638.51, 32,080,656.24 and 12,793,858.34 is: 17,655,686.92
Step by Step Solution
- Step 1: Write the proportion equation
23,246,638.51 : 32,080,656.24 = 12,793,858.34 : x - Step 2: Convert to fraction form
23,246,638.51/32,080,656.24 = 12,793,858.34/x - Step 3: Cross multiply
23,246,638.51x = 32,080,656.24 × 12,793,858.34 - Step 4: Simplify right side
23,246,638.51x = 410,435,371,388,797 - Step 5: Solve for x
x = 410,435,371,388,797/23,246,638.51 - Step 6: Final answer
x = 17,655,686.92
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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.