Finding the Fourth Proportional to 36,122,217.23, 49,848,693.57 and 20,652,625.82
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Solution
The fourth proportional to 36,122,217.23, 49,848,693.57 and 20,652,625.82 is: 28,500,642.95
Step by Step Solution
- Step 1: Write the proportion equation
36,122,217.23 : 49,848,693.57 = 20,652,625.82 : x - Step 2: Convert to fraction form
36,122,217.23/49,848,693.57 = 20,652,625.82/x - Step 3: Cross multiply
36,122,217.23x = 49,848,693.57 × 20,652,625.82 - Step 4: Simplify right side
36,122,217.23x = 1,029,506,416,041,671.75 - Step 5: Solve for x
x = 1,029,506,416,041,671.75/36,122,217.23 - Step 6: Final answer
x = 28,500,642.95
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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.