Finding the Fourth Proportional to 19,182,240.14, 28,793,843.18 and 8,257,836.75
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Solution
The fourth proportional to 19,182,240.14, 28,793,843.18 and 8,257,836.75 is: 12,395,572.92
Step by Step Solution
- Step 1: Write the proportion equation
19,182,240.14 : 28,793,843.18 = 8,257,836.75 : x - Step 2: Convert to fraction form
19,182,240.14/28,793,843.18 = 8,257,836.75/x - Step 3: Cross multiply
19,182,240.14x = 28,793,843.18 × 8,257,836.75 - Step 4: Simplify right side
19,182,240.14x = 237,774,856,344,251.69 - Step 5: Solve for x
x = 237,774,856,344,251.69/19,182,240.14 - Step 6: Final answer
x = 12,395,572.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.