Finding the Fourth Proportional to 17,963,103.31, 24,789,091.62 and 9,703,165.17
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Solution
The fourth proportional to 17,963,103.31, 24,789,091.62 and 9,703,165.17 is: 13,390,372.82
Step by Step Solution
- Step 1: Write the proportion equation
17,963,103.31 : 24,789,091.62 = 9,703,165.17 : x - Step 2: Convert to fraction form
17,963,103.31/24,789,091.62 = 9,703,165.17/x - Step 3: Cross multiply
17,963,103.31x = 24,789,091.62 × 9,703,165.17 - Step 4: Simplify right side
17,963,103.31x = 240,532,650,403,122.88 - Step 5: Solve for x
x = 240,532,650,403,122.88/17,963,103.31 - Step 6: Final answer
x = 13,390,372.82
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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.