Finding the Fourth Proportional to 8,722,126.17, 12,036,319.74 and 4,801,849.70
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Solution
The fourth proportional to 8,722,126.17, 12,036,319.74 and 4,801,849.70 is: 6,626,434.56
Step by Step Solution
- Step 1: Write the proportion equation
8,722,126.17 : 12,036,319.74 = 4,801,849.70 : x - Step 2: Convert to fraction form
8,722,126.17/12,036,319.74 = 4,801,849.70/x - Step 3: Cross multiply
8,722,126.17x = 12,036,319.74 × 4,801,849.70 - Step 4: Simplify right side
8,722,126.17x = 57,796,598,272,441.48 - Step 5: Solve for x
x = 57,796,598,272,441.48/8,722,126.17 - Step 6: Final answer
x = 6,626,434.56
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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.