Finding the Fourth Proportional to 16,113,035.49, 22,235,965.85 and 8,770,845.92
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Solution
The fourth proportional to 16,113,035.49, 22,235,965.85 and 8,770,845.92 is: 12,103,754.78
Step by Step Solution
- Step 1: Write the proportion equation
16,113,035.49 : 22,235,965.85 = 8,770,845.92 : x - Step 2: Convert to fraction form
16,113,035.49/22,235,965.85 = 8,770,845.92/x - Step 3: Cross multiply
16,113,035.49x = 22,235,965.85 × 8,770,845.92 - Step 4: Simplify right side
16,113,035.49x = 195,028,230,352,731.84 - Step 5: Solve for x
x = 195,028,230,352,731.84/16,113,035.49 - Step 6: Final answer
x = 12,103,754.78
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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.