Finding the Fourth Proportional to 9,199,872, 12,695,295.24 and 5,278,798.08
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Solution
The fourth proportional to 9,199,872, 12,695,295.24 and 5,278,798.08 is: 7,284,438.32
Step by Step Solution
- Step 1: Write the proportion equation
9,199,872 : 12,695,295.24 = 5,278,798.08 : x - Step 2: Convert to fraction form
9,199,872/12,695,295.24 = 5,278,798.08/x - Step 3: Cross multiply
9,199,872x = 12,695,295.24 × 5,278,798.08 - Step 4: Simplify right side
9,199,872x = 67,015,900,137,945.14 - Step 5: Solve for x
x = 67,015,900,137,945.14/9,199,872 - Step 6: Final answer
x = 7,284,438.32
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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.