Finding the Fourth Proportional to 11,682,017.70, 17,523,026.55 and 6,643,169.70
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Solution
The fourth proportional to 11,682,017.70, 17,523,026.55 and 6,643,169.70 is: 9,964,754.55
Step by Step Solution
- Step 1: Write the proportion equation
11,682,017.70 : 17,523,026.55 = 6,643,169.70 : x - Step 2: Convert to fraction form
11,682,017.70/17,523,026.55 = 6,643,169.70/x - Step 3: Cross multiply
11,682,017.70x = 17,523,026.55 × 6,643,169.70 - Step 4: Simplify right side
11,682,017.70x = 116,408,439,029,255.55 - Step 5: Solve for x
x = 116,408,439,029,255.55/11,682,017.70 - Step 6: Final answer
x = 9,964,754.55
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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.