Finding the Fourth Proportional to 9,163,055.99, 13,728,707.85 and 5,561,275.97
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Solution
The fourth proportional to 9,163,055.99, 13,728,707.85 and 5,561,275.97 is: 8,332,278.35
Step by Step Solution
- Step 1: Write the proportion equation
9,163,055.99 : 13,728,707.85 = 5,561,275.97 : x - Step 2: Convert to fraction form
9,163,055.99/13,728,707.85 = 5,561,275.97/x - Step 3: Cross multiply
9,163,055.99x = 13,728,707.85 × 5,561,275.97 - Step 4: Simplify right side
9,163,055.99x = 76,349,133,065,355.36 - Step 5: Solve for x
x = 76,349,133,065,355.36/9,163,055.99 - Step 6: Final answer
x = 8,332,278.35
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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.