Finding the Fourth Proportional to 9,952,645.10, 14,931,575.03 and 3,128,942.66
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Solution
The fourth proportional to 9,952,645.10, 14,931,575.03 and 3,128,942.66 is: 4,694,233.70
Step by Step Solution
- Step 1: Write the proportion equation
9,952,645.10 : 14,931,575.03 = 3,128,942.66 : x - Step 2: Convert to fraction form
9,952,645.10/14,931,575.03 = 3,128,942.66/x - Step 3: Cross multiply
9,952,645.10x = 14,931,575.03 × 3,128,942.66 - Step 4: Simplify right side
9,952,645.10x = 46,720,042,025,522.26 - Step 5: Solve for x
x = 46,720,042,025,522.26/9,952,645.10 - Step 6: Final answer
x = 4,694,233.70
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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.