Finding the Fourth Proportional to 7,709,046.44, 10,638,125.70 and 4,224,364.52
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Solution
The fourth proportional to 7,709,046.44, 10,638,125.70 and 4,224,364.52 is: 5,829,426.65
Step by Step Solution
- Step 1: Write the proportion equation
7,709,046.44 : 10,638,125.70 = 4,224,364.52 : x - Step 2: Convert to fraction form
7,709,046.44/10,638,125.70 = 4,224,364.52/x - Step 3: Cross multiply
7,709,046.44x = 10,638,125.70 × 4,224,364.52 - Step 4: Simplify right side
7,709,046.44x = 44,939,320,766,380.16 - Step 5: Solve for x
x = 44,939,320,766,380.16/7,709,046.44 - Step 6: Final answer
x = 5,829,426.65
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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.