Finding the Fourth Proportional to 10,898,370.75, 15,040,218.20 and 6,069,474.75
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Solution
The fourth proportional to 10,898,370.75, 15,040,218.20 and 6,069,474.75 is: 8,376,134.99
Step by Step Solution
- Step 1: Write the proportion equation
10,898,370.75 : 15,040,218.20 = 6,069,474.75 : x - Step 2: Convert to fraction form
10,898,370.75/15,040,218.20 = 6,069,474.75/x - Step 3: Cross multiply
10,898,370.75x = 15,040,218.20 × 6,069,474.75 - Step 4: Simplify right side
10,898,370.75x = 91,286,224,569,043.08 - Step 5: Solve for x
x = 91,286,224,569,043.08/10,898,370.75 - Step 6: Final answer
x = 8,376,134.99
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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.