Finding the Fourth Proportional to 16,215,983.48, 22,378,059.48 and 8,873,818.34
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Solution
The fourth proportional to 16,215,983.48, 22,378,059.48 and 8,873,818.34 is: 12,245,870.56
Step by Step Solution
- Step 1: Write the proportion equation
16,215,983.48 : 22,378,059.48 = 8,873,818.34 : x - Step 2: Convert to fraction form
16,215,983.48/22,378,059.48 = 8,873,818.34/x - Step 3: Cross multiply
16,215,983.48x = 22,378,059.48 × 8,873,818.34 - Step 4: Simplify right side
16,215,983.48x = 198,578,834,627,234.88 - Step 5: Solve for x
x = 198,578,834,627,234.88/16,215,983.48 - Step 6: Final answer
x = 12,245,870.56
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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.