Finding the Fourth Proportional to 7,194,651.96, 9,928,645.49 and 3,931,466.66
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Solution
The fourth proportional to 7,194,651.96, 9,928,645.49 and 3,931,466.66 is: 5,425,438.07
Step by Step Solution
- Step 1: Write the proportion equation
7,194,651.96 : 9,928,645.49 = 3,931,466.66 : x - Step 2: Convert to fraction form
7,194,651.96/9,928,645.49 = 3,931,466.66/x - Step 3: Cross multiply
7,194,651.96x = 9,928,645.49 × 3,931,466.66 - Step 4: Simplify right side
7,194,651.96x = 39,034,138,698,197.72 - Step 5: Solve for x
x = 39,034,138,698,197.72/7,194,651.96 - Step 6: Final answer
x = 5,425,438.07
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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.