Finding the Fourth Proportional to 16,357,494.70, 22,574,230.41 and 9,388,116.54
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Solution
The fourth proportional to 16,357,494.70, 22,574,230.41 and 9,388,116.54 is: 12,956,110.32
Step by Step Solution
- Step 1: Write the proportion equation
16,357,494.70 : 22,574,230.41 = 9,388,116.54 : x - Step 2: Convert to fraction form
16,357,494.70/22,574,230.41 = 9,388,116.54/x - Step 3: Cross multiply
16,357,494.70x = 22,574,230.41 × 9,388,116.54 - Step 4: Simplify right side
16,357,494.70x = 211,929,505,889,891.97 - Step 5: Solve for x
x = 211,929,505,889,891.97/16,357,494.70 - Step 6: Final answer
x = 12,956,110.32
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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.