Finding the Fourth Proportional to 7,157,811.24, 10,733,399.10 and 2,668,881.96
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Solution
The fourth proportional to 7,157,811.24, 10,733,399.10 and 2,668,881.96 is: 4,002,085.87
Step by Step Solution
- Step 1: Write the proportion equation
7,157,811.24 : 10,733,399.10 = 2,668,881.96 : x - Step 2: Convert to fraction form
7,157,811.24/10,733,399.10 = 2,668,881.96/x - Step 3: Cross multiply
7,157,811.24x = 10,733,399.10 × 2,668,881.96 - Step 4: Simplify right side
7,157,811.24x = 28,646,175,227,470.23 - Step 5: Solve for x
x = 28,646,175,227,470.23/7,157,811.24 - Step 6: Final answer
x = 4,002,085.87
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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.