Finding the Fourth Proportional to 10,787,747.55, 14,887,544.18 and 6,204,072.57
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Solution
The fourth proportional to 10,787,747.55, 14,887,544.18 and 6,204,072.57 is: 8,561,880.42
Step by Step Solution
- Step 1: Write the proportion equation
10,787,747.55 : 14,887,544.18 = 6,204,072.57 : x - Step 2: Convert to fraction form
10,787,747.55/14,887,544.18 = 6,204,072.57/x - Step 3: Cross multiply
10,787,747.55x = 14,887,544.18 × 6,204,072.57 - Step 4: Simplify right side
10,787,747.55x = 92,363,404,481,801.14 - Step 5: Solve for x
x = 92,363,404,481,801.14/10,787,747.55 - Step 6: Final answer
x = 8,561,880.42
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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.