Finding the Fourth Proportional to 12,642,304.32, 18,963,465.71 and 3,057,692.09
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Solution
The fourth proportional to 12,642,304.32, 18,963,465.71 and 3,057,692.09 is: 4,586,540.36
Step by Step Solution
- Step 1: Write the proportion equation
12,642,304.32 : 18,963,465.71 = 3,057,692.09 : x - Step 2: Convert to fraction form
12,642,304.32/18,963,465.71 = 3,057,692.09/x - Step 3: Cross multiply
12,642,304.32x = 18,963,465.71 × 3,057,692.09 - Step 4: Simplify right side
12,642,304.32x = 57,984,438,990,347.44 - Step 5: Solve for x
x = 57,984,438,990,347.44/12,642,304.32 - Step 6: Final answer
x = 4,586,540.36
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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.