Finding the Fourth Proportional to 8,237,881.68, 11,368,245.24 and 4,616,209.68
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Solution
The fourth proportional to 8,237,881.68, 11,368,245.24 and 4,616,209.68 is: 6,370,351.72
Step by Step Solution
- Step 1: Write the proportion equation
8,237,881.68 : 11,368,245.24 = 4,616,209.68 : x - Step 2: Convert to fraction form
8,237,881.68/11,368,245.24 = 4,616,209.68/x - Step 3: Cross multiply
8,237,881.68x = 11,368,245.24 × 4,616,209.68 - Step 4: Simplify right side
8,237,881.68x = 52,478,203,721,501.92 - Step 5: Solve for x
x = 52,478,203,721,501.92/8,237,881.68 - Step 6: Final answer
x = 6,370,351.72
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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.