Finding the Fourth Proportional to 9,991,759.77, 14,988,184.74 and 3,167,839.44
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Solution
The fourth proportional to 9,991,759.77, 14,988,184.74 and 3,167,839.44 is: 4,751,931.98
Step by Step Solution
- Step 1: Write the proportion equation
9,991,759.77 : 14,988,184.74 = 3,167,839.44 : x - Step 2: Convert to fraction form
9,991,759.77/14,988,184.74 = 3,167,839.44/x - Step 3: Cross multiply
9,991,759.77x = 14,988,184.74 × 3,167,839.44 - Step 4: Simplify right side
9,991,759.77x = 47,480,162,753,378.15 - Step 5: Solve for x
x = 47,480,162,753,378.15/9,991,759.77 - Step 6: Final answer
x = 4,751,931.98
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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.