Finding the Fourth Proportional to 8,518,058.85, 11,754,859.77 and 4,650,579.99
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Solution
The fourth proportional to 8,518,058.85, 11,754,859.77 and 4,650,579.99 is: 6,417,766.84
Step by Step Solution
- Step 1: Write the proportion equation
8,518,058.85 : 11,754,859.77 = 4,650,579.99 : x - Step 2: Convert to fraction form
8,518,058.85/11,754,859.77 = 4,650,579.99/x - Step 3: Cross multiply
8,518,058.85x = 11,754,859.77 × 4,650,579.99 - Step 4: Simplify right side
8,518,058.85x = 54,666,915,631,618 - Step 5: Solve for x
x = 54,666,915,631,618/8,518,058.85 - Step 6: Final answer
x = 6,417,766.84
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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.