Finding the Fourth Proportional to 8,738,390.87, 12,058,728.44 and 4,870,828.99
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Solution
The fourth proportional to 8,738,390.87, 12,058,728.44 and 4,870,828.99 is: 6,721,604.12
Step by Step Solution
- Step 1: Write the proportion equation
8,738,390.87 : 12,058,728.44 = 4,870,828.99 : x - Step 2: Convert to fraction form
8,738,390.87/12,058,728.44 = 4,870,828.99/x - Step 3: Cross multiply
8,738,390.87x = 12,058,728.44 × 4,870,828.99 - Step 4: Simplify right side
8,738,390.87x = 58,736,004,086,202.29 - Step 5: Solve for x
x = 58,736,004,086,202.29/8,738,390.87 - Step 6: Final answer
x = 6,721,604.12
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1.5x scale
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.