Finding the Fourth Proportional to 7,702,521.13, 10,629,609.66 and 4,217,803.93
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Solution
The fourth proportional to 7,702,521.13, 10,629,609.66 and 4,217,803.93 is: 5,820,640.88
Step by Step Solution
- Step 1: Write the proportion equation
7,702,521.13 : 10,629,609.66 = 4,217,803.93 : x - Step 2: Convert to fraction form
7,702,521.13/10,629,609.66 = 4,217,803.93/x - Step 3: Cross multiply
7,702,521.13x = 10,629,609.66 × 4,217,803.93 - Step 4: Simplify right side
7,702,521.13x = 44,833,609,398,313.96 - Step 5: Solve for x
x = 44,833,609,398,313.96/7,702,521.13 - Step 6: Final answer
x = 5,820,640.88
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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.