Finding the Fourth Proportional to 11,404,371.28, 15,738,784.84 and 6,510,584.72
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Solution
The fourth proportional to 11,404,371.28, 15,738,784.84 and 6,510,584.72 is: 8,985,036.49
Step by Step Solution
- Step 1: Write the proportion equation
11,404,371.28 : 15,738,784.84 = 6,510,584.72 : x - Step 2: Convert to fraction form
11,404,371.28/15,738,784.84 = 6,510,584.72/x - Step 3: Cross multiply
11,404,371.28x = 15,738,784.84 × 6,510,584.72 - Step 4: Simplify right side
11,404,371.28x = 102,468,692,090,671.64 - Step 5: Solve for x
x = 102,468,692,090,671.64/11,404,371.28 - Step 6: Final answer
x = 8,985,036.49
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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.