Finding the Fourth Proportional to 18,058,620.87, 27,087,858.34 and 6,541,392.47
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Solution
The fourth proportional to 18,058,620.87, 27,087,858.34 and 6,541,392.47 is: 9,812,062.27
Step by Step Solution
- Step 1: Write the proportion equation
18,058,620.87 : 27,087,858.34 = 6,541,392.47 : x - Step 2: Convert to fraction form
18,058,620.87/27,087,858.34 = 6,541,392.47/x - Step 3: Cross multiply
18,058,620.87x = 27,087,858.34 × 6,541,392.47 - Step 4: Simplify right side
18,058,620.87x = 177,192,312,421,909.91 - Step 5: Solve for x
x = 177,192,312,421,909.91/18,058,620.87 - Step 6: Final answer
x = 9,812,062.27
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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.