Finding the Fourth Proportional to 11,435,062.81, 15,787,771.74 and 7,088,793.97
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Solution
The fourth proportional to 11,435,062.81, 15,787,771.74 and 7,088,793.97 is: 9,787,113.80
Step by Step Solution
- Step 1: Write the proportion equation
11,435,062.81 : 15,787,771.74 = 7,088,793.97 : x - Step 2: Convert to fraction form
11,435,062.81/15,787,771.74 = 7,088,793.97/x - Step 3: Cross multiply
11,435,062.81x = 15,787,771.74 × 7,088,793.97 - Step 4: Simplify right side
11,435,062.81x = 111,916,261,031,309.55 - Step 5: Solve for x
x = 111,916,261,031,309.55/11,435,062.81 - Step 6: Final answer
x = 9,787,113.80
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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.