Finding the Fourth Proportional to 11,412,925.11, 15,748,155.08 and 6,940,198.46
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Solution
The fourth proportional to 11,412,925.11, 15,748,155.08 and 6,940,198.46 is: 9,576,451.31
Step by Step Solution
- Step 1: Write the proportion equation
11,412,925.11 : 15,748,155.08 = 6,940,198.46 : x - Step 2: Convert to fraction form
11,412,925.11/15,748,155.08 = 6,940,198.46/x - Step 3: Cross multiply
11,412,925.11x = 15,748,155.08 × 6,940,198.46 - Step 4: Simplify right side
11,412,925.11x = 109,295,321,638,726.58 - Step 5: Solve for x
x = 109,295,321,638,726.58/11,412,925.11 - Step 6: Final answer
x = 9,576,451.31
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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.