Finding the Fourth Proportional to 16,081,320.32, 22,192,438.40 and 8,739,299.20
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Solution
The fourth proportional to 16,081,320.32, 22,192,438.40 and 8,739,299.20 is: 12,060,350.47
Step by Step Solution
- Step 1: Write the proportion equation
16,081,320.32 : 22,192,438.40 = 8,739,299.20 : x - Step 2: Convert to fraction form
16,081,320.32/22,192,438.40 = 8,739,299.20/x - Step 3: Cross multiply
16,081,320.32x = 22,192,438.40 × 8,739,299.20 - Step 4: Simplify right side
16,081,320.32x = 193,946,359,155,169.25 - Step 5: Solve for x
x = 193,946,359,155,169.25/16,081,320.32 - Step 6: Final answer
x = 12,060,350.47
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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.