Finding the Fourth Proportional to 9,578,259.36, 13,218,305.28 and 5,448,183.84
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Solution
The fourth proportional to 9,578,259.36, 13,218,305.28 and 5,448,183.84 is: 7,518,668.53
Step by Step Solution
- Step 1: Write the proportion equation
9,578,259.36 : 13,218,305.28 = 5,448,183.84 : x - Step 2: Convert to fraction form
9,578,259.36/13,218,305.28 = 5,448,183.84/x - Step 3: Cross multiply
9,578,259.36x = 13,218,305.28 × 5,448,183.84 - Step 4: Simplify right side
9,578,259.36x = 72,015,757,218,682.67 - Step 5: Solve for x
x = 72,015,757,218,682.67/9,578,259.36 - Step 6: Final answer
x = 7,518,668.53
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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.