Finding the Fourth Proportional to 8,412,782.68, 12,621,297.66 and 2,347,509.31
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Solution
The fourth proportional to 8,412,782.68, 12,621,297.66 and 2,347,509.31 is: 3,521,856.55
Step by Step Solution
- Step 1: Write the proportion equation
8,412,782.68 : 12,621,297.66 = 2,347,509.31 : x - Step 2: Convert to fraction form
8,412,782.68/12,621,297.66 = 2,347,509.31/x - Step 3: Cross multiply
8,412,782.68x = 12,621,297.66 × 2,347,509.31 - Step 4: Simplify right side
8,412,782.68x = 29,628,613,761,131.21 - Step 5: Solve for x
x = 29,628,613,761,131.21/8,412,782.68 - Step 6: Final answer
x = 3,521,856.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.