Finding the Fourth Proportional to 18,855,285.33, 28,267,672.14 and 5,894,767.95
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Solution
The fourth proportional to 18,855,285.33, 28,267,672.14 and 5,894,767.95 is: 8,837,382.45
Step by Step Solution
- Step 1: Write the proportion equation
18,855,285.33 : 28,267,672.14 = 5,894,767.95 : x - Step 2: Convert to fraction form
18,855,285.33/28,267,672.14 = 5,894,767.95/x - Step 3: Cross multiply
18,855,285.33x = 28,267,672.14 × 5,894,767.95 - Step 4: Simplify right side
18,855,285.33x = 166,631,367,751,979.91 - Step 5: Solve for x
x = 166,631,367,751,979.91/18,855,285.33 - Step 6: Final answer
x = 8,837,382.45
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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.