Finding the Fourth Proportional to 8,058,823.84, 11,121,960.72 and 6,018,090.40
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Solution
The fourth proportional to 8,058,823.84, 11,121,960.72 and 6,018,090.40 is: 8,305,550.09
Step by Step Solution
- Step 1: Write the proportion equation
8,058,823.84 : 11,121,960.72 = 6,018,090.40 : x - Step 2: Convert to fraction form
8,058,823.84/11,121,960.72 = 6,018,090.40/x - Step 3: Cross multiply
8,058,823.84x = 11,121,960.72 × 6,018,090.40 - Step 4: Simplify right side
8,058,823.84x = 66,932,965,038,209.09 - Step 5: Solve for x
x = 66,932,965,038,209.09/8,058,823.84 - Step 6: Final answer
x = 8,305,550.09
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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.