Finding the Fourth Proportional to 17,745,618.40, 24,489,027.20 and 9,596,856.40
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Solution
The fourth proportional to 17,745,618.40, 24,489,027.20 and 9,596,856.40 is: 13,243,701.75
Step by Step Solution
- Step 1: Write the proportion equation
17,745,618.40 : 24,489,027.20 = 9,596,856.40 : x - Step 2: Convert to fraction form
17,745,618.40/24,489,027.20 = 9,596,856.40/x - Step 3: Cross multiply
17,745,618.40x = 24,489,027.20 × 9,596,856.40 - Step 4: Simplify right side
17,745,618.40x = 235,017,677,414,094.09 - Step 5: Solve for x
x = 235,017,677,414,094.09/17,745,618.40 - Step 6: Final answer
x = 13,243,701.75
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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.