Finding the Fourth Proportional to 10,416,378.72, 15,624,451.44 and 3,683,218.08
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Solution
The fourth proportional to 10,416,378.72, 15,624,451.44 and 3,683,218.08 is: 5,524,785.88
Step by Step Solution
- Step 1: Write the proportion equation
10,416,378.72 : 15,624,451.44 = 3,683,218.08 : x - Step 2: Convert to fraction form
10,416,378.72/15,624,451.44 = 3,683,218.08/x - Step 3: Cross multiply
10,416,378.72x = 15,624,451.44 × 3,683,218.08 - Step 4: Simplify right side
10,416,378.72x = 57,548,262,033,890.03 - Step 5: Solve for x
x = 57,548,262,033,890.03/10,416,378.72 - Step 6: Final answer
x = 5,524,785.88
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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.