Finding the Fourth Proportional to 7,158,499.37, 9,888,692.84 and 6,892,738.12
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Solution
The fourth proportional to 7,158,499.37, 9,888,692.84 and 6,892,738.12 is: 9,521,572.41
Step by Step Solution
- Step 1: Write the proportion equation
7,158,499.37 : 9,888,692.84 = 6,892,738.12 : x - Step 2: Convert to fraction form
7,158,499.37/9,888,692.84 = 6,892,738.12/x - Step 3: Cross multiply
7,158,499.37x = 9,888,692.84 × 6,892,738.12 - Step 4: Simplify right side
7,158,499.37x = 68,160,170,095,239.06 - Step 5: Solve for x
x = 68,160,170,095,239.06/7,158,499.37 - Step 6: Final answer
x = 9,521,572.41
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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.