Finding the Fourth Proportional to 9,669,905.40, 14,510,106.90 and 3,990,703.80
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Solution
The fourth proportional to 9,669,905.40, 14,510,106.90 and 3,990,703.80 is: 5,988,221.84
Step by Step Solution
- Step 1: Write the proportion equation
9,669,905.40 : 14,510,106.90 = 3,990,703.80 : x - Step 2: Convert to fraction form
9,669,905.40/14,510,106.90 = 3,990,703.80/x - Step 3: Cross multiply
9,669,905.40x = 14,510,106.90 × 3,990,703.80 - Step 4: Simplify right side
9,669,905.40x = 57,905,538,744,236.22 - Step 5: Solve for x
x = 57,905,538,744,236.22/9,669,905.40 - Step 6: Final answer
x = 5,988,221.84
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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.