Finding the Fourth Proportional to 11,453,890.46, 15,805,962.09 and 6,297,214.46
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Solution
The fourth proportional to 11,453,890.46, 15,805,962.09 and 6,297,214.46 is: 8,689,932.33
Step by Step Solution
- Step 1: Write the proportion equation
11,453,890.46 : 15,805,962.09 = 6,297,214.46 : x - Step 2: Convert to fraction form
11,453,890.46/15,805,962.09 = 6,297,214.46/x - Step 3: Cross multiply
11,453,890.46x = 15,805,962.09 × 6,297,214.46 - Step 4: Simplify right side
11,453,890.46x = 99,533,533,027,359.81 - Step 5: Solve for x
x = 99,533,533,027,359.81/11,453,890.46 - Step 6: Final answer
x = 8,689,932.33
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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.