Finding the Fourth Proportional to 7,702,306.08, 10,629,348.12 and 4,217,791.92
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Solution
The fourth proportional to 7,702,306.08, 10,629,348.12 and 4,217,791.92 is: 5,820,643.60
Step by Step Solution
- Step 1: Write the proportion equation
7,702,306.08 : 10,629,348.12 = 4,217,791.92 : x - Step 2: Convert to fraction form
7,702,306.08/10,629,348.12 = 4,217,791.92/x - Step 3: Cross multiply
7,702,306.08x = 10,629,348.12 × 4,217,791.92 - Step 4: Simplify right side
7,702,306.08x = 44,832,378,615,403.19 - Step 5: Solve for x
x = 44,832,378,615,403.19/7,702,306.08 - Step 6: Final answer
x = 5,820,643.60
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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.