Finding the Fourth Proportional to 12,277,724.55, 18,413,444.36 and 3,639,805.06
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Solution
The fourth proportional to 12,277,724.55, 18,413,444.36 and 3,639,805.06 is: 5,458,775.98
Step by Step Solution
- Step 1: Write the proportion equation
12,277,724.55 : 18,413,444.36 = 3,639,805.06 : x - Step 2: Convert to fraction form
12,277,724.55/18,413,444.36 = 3,639,805.06/x - Step 3: Cross multiply
12,277,724.55x = 18,413,444.36 × 3,639,805.06 - Step 4: Simplify right side
12,277,724.55x = 67,021,347,843,290.22 - Step 5: Solve for x
x = 67,021,347,843,290.22/12,277,724.55 - Step 6: Final answer
x = 5,458,775.98
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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.