Finding the Fourth Proportional to 25,578,120.51, 35,297,389.98 and 13,975,435.08
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Solution
The fourth proportional to 25,578,120.51, 35,297,389.98 and 13,975,435.08 is: 19,285,872.94
Step by Step Solution
- Step 1: Write the proportion equation
25,578,120.51 : 35,297,389.98 = 13,975,435.08 : x - Step 2: Convert to fraction form
25,578,120.51/35,297,389.98 = 13,975,435.08/x - Step 3: Cross multiply
25,578,120.51x = 35,297,389.98 × 13,975,435.08 - Step 4: Simplify right side
25,578,120.51x = 493,296,382,158,932.44 - Step 5: Solve for x
x = 493,296,382,158,932.44/25,578,120.51 - Step 6: Final answer
x = 19,285,872.94
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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.