Finding the Fourth Proportional to 7,328,567.37, 10,985,702.50 and 3,489,358.23
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Solution
The fourth proportional to 7,328,567.37, 10,985,702.50 and 3,489,358.23 is: 5,230,633.70
Step by Step Solution
- Step 1: Write the proportion equation
7,328,567.37 : 10,985,702.50 = 3,489,358.23 : x - Step 2: Convert to fraction form
7,328,567.37/10,985,702.50 = 3,489,358.23/x - Step 3: Cross multiply
7,328,567.37x = 10,985,702.50 × 3,489,358.23 - Step 4: Simplify right side
7,328,567.37x = 38,333,051,430,706.58 - Step 5: Solve for x
x = 38,333,051,430,706.58/7,328,567.37 - Step 6: Final answer
x = 5,230,633.70
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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.