Finding the Fourth Proportional to 8,143,536.57, 12,215,294.58 and 2,078,268.47
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Solution
The fourth proportional to 8,143,536.57, 12,215,294.58 and 2,078,268.47 is: 3,117,400.08
Step by Step Solution
- Step 1: Write the proportion equation
8,143,536.57 : 12,215,294.58 = 2,078,268.47 : x - Step 2: Convert to fraction form
8,143,536.57/12,215,294.58 = 2,078,268.47/x - Step 3: Cross multiply
8,143,536.57x = 12,215,294.58 × 2,078,268.47 - Step 4: Simplify right side
8,143,536.57x = 25,386,661,516,299.42 - Step 5: Solve for x
x = 25,386,661,516,299.42/8,143,536.57 - Step 6: Final answer
x = 3,117,400.08
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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.