Finding the Fourth Proportional to 16,161,418.08, 22,303,231.02 and 8,819,725.32
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Solution
The fourth proportional to 16,161,418.08, 22,303,231.02 and 8,819,725.32 is: 12,171,479.65
Step by Step Solution
- Step 1: Write the proportion equation
16,161,418.08 : 22,303,231.02 = 8,819,725.32 : x - Step 2: Convert to fraction form
16,161,418.08/22,303,231.02 = 8,819,725.32/x - Step 3: Cross multiply
16,161,418.08x = 22,303,231.02 × 8,819,725.32 - Step 4: Simplify right side
16,161,418.08x = 196,708,371,344,903.44 - Step 5: Solve for x
x = 196,708,371,344,903.44/16,161,418.08 - Step 6: Final answer
x = 12,171,479.65
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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.