Finding the Fourth Proportional to 18,163,848.32, 27,214,939.52 and 10,960,245.12
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Solution
The fourth proportional to 18,163,848.32, 27,214,939.52 and 10,960,245.12 is: 16,421,762.77
Step by Step Solution
- Step 1: Write the proportion equation
18,163,848.32 : 27,214,939.52 = 10,960,245.12 : x - Step 2: Convert to fraction form
18,163,848.32/27,214,939.52 = 10,960,245.12/x - Step 3: Cross multiply
18,163,848.32x = 27,214,939.52 × 10,960,245.12 - Step 4: Simplify right side
18,163,848.32x = 298,282,408,065,175.12 - Step 5: Solve for x
x = 298,282,408,065,175.12/18,163,848.32 - Step 6: Final answer
x = 16,421,762.77
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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.