Finding the Fourth Proportional to 17,823,865.62, 26,689,752.98 and 12,301,441.68
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Solution
The fourth proportional to 17,823,865.62, 26,689,752.98 and 12,301,441.68 is: 18,420,383.48
Step by Step Solution
- Step 1: Write the proportion equation
17,823,865.62 : 26,689,752.98 = 12,301,441.68 : x - Step 2: Convert to fraction form
17,823,865.62/26,689,752.98 = 12,301,441.68/x - Step 3: Cross multiply
17,823,865.62x = 26,689,752.98 × 12,301,441.68 - Step 4: Simplify right side
17,823,865.62x = 328,322,439,737,076.19 - Step 5: Solve for x
x = 328,322,439,737,076.19/17,823,865.62 - Step 6: Final answer
x = 18,420,383.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.