Finding the Fourth Proportional to 21,727,471.70, 32,593,568.70 and 8,079,017.06
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Solution
The fourth proportional to 21,727,471.70, 32,593,568.70 and 8,079,017.06 is: 12,119,403.55
Step by Step Solution
- Step 1: Write the proportion equation
21,727,471.70 : 32,593,568.70 = 8,079,017.06 : x - Step 2: Convert to fraction form
21,727,471.70/32,593,568.70 = 8,079,017.06/x - Step 3: Cross multiply
21,727,471.70x = 32,593,568.70 × 8,079,017.06 - Step 4: Simplify right side
21,727,471.70x = 263,323,997,573,582 - Step 5: Solve for x
x = 263,323,997,573,582/21,727,471.70 - Step 6: Final answer
x = 12,119,403.55
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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.