Finding the Fourth Proportional to 40,814,769.16, 56,324,438.94 and 22,229,982.28
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Solution
The fourth proportional to 40,814,769.16, 56,324,438.94 and 22,229,982.28 is: 30,677,406.86
Step by Step Solution
- Step 1: Write the proportion equation
40,814,769.16 : 56,324,438.94 = 22,229,982.28 : x - Step 2: Convert to fraction form
40,814,769.16/56,324,438.94 = 22,229,982.28/x - Step 3: Cross multiply
40,814,769.16x = 56,324,438.94 × 22,229,982.28 - Step 4: Simplify right side
40,814,769.16x = 1,252,091,279,567,142 - Step 5: Solve for x
x = 1,252,091,279,567,142/40,814,769.16 - Step 6: Final answer
x = 30,677,406.86
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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.