Finding the Fourth Proportional to 18,750,692.70, 28,266,579.35 and 17,500,768.44
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Solution
The fourth proportional to 18,750,692.70, 28,266,579.35 and 17,500,768.44 is: 26,382,324.52
Step by Step Solution
- Step 1: Write the proportion equation
18,750,692.70 : 28,266,579.35 = 17,500,768.44 : x - Step 2: Convert to fraction form
18,750,692.70/28,266,579.35 = 17,500,768.44/x - Step 3: Cross multiply
18,750,692.70x = 28,266,579.35 × 17,500,768.44 - Step 4: Simplify right side
18,750,692.70x = 494,686,859,795,235.75 - Step 5: Solve for x
x = 494,686,859,795,235.75/18,750,692.70 - Step 6: Final answer
x = 26,382,324.52
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.