Finding the Fourth Proportional to 8,143,538.27, 12,215,297.09 and 2,078,270.18
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Solution
The fourth proportional to 8,143,538.27, 12,215,297.09 and 2,078,270.18 is: 3,117,402.63
Step by Step Solution
- Step 1: Write the proportion equation
8,143,538.27 : 12,215,297.09 = 2,078,270.18 : x - Step 2: Convert to fraction form
8,143,538.27/12,215,297.09 = 2,078,270.18/x - Step 3: Cross multiply
8,143,538.27x = 12,215,297.09 × 2,078,270.18 - Step 4: Simplify right side
8,143,538.27x = 25,386,687,610,519.94 - Step 5: Solve for x
x = 25,386,687,610,519.94/8,143,538.27 - Step 6: Final answer
x = 3,117,402.63
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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.