Finding the Fourth Proportional to 8,942,968.64, 12,339,198.24 and 5,074,614.08
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Solution
The fourth proportional to 8,942,968.64, 12,339,198.24 and 5,074,614.08 is: 7,001,776.66
Step by Step Solution
- Step 1: Write the proportion equation
8,942,968.64 : 12,339,198.24 = 5,074,614.08 : x - Step 2: Convert to fraction form
8,942,968.64/12,339,198.24 = 5,074,614.08/x - Step 3: Cross multiply
8,942,968.64x = 12,339,198.24 × 5,074,614.08 - Step 4: Simplify right side
8,942,968.64x = 62,616,669,124,615.22 - Step 5: Solve for x
x = 62,616,669,124,615.22/8,942,968.64 - Step 6: Final answer
x = 7,001,776.66
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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.