Finding the Fourth Proportional to 12,540,525.74, 18,806,275.71 and 4,340,940.09
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Solution
The fourth proportional to 12,540,525.74, 18,806,275.71 and 4,340,940.09 is: 6,509,847.98
Step by Step Solution
- Step 1: Write the proportion equation
12,540,525.74 : 18,806,275.71 = 4,340,940.09 : x - Step 2: Convert to fraction form
12,540,525.74/18,806,275.71 = 4,340,940.09/x - Step 3: Cross multiply
12,540,525.74x = 18,806,275.71 × 4,340,940.09 - Step 4: Simplify right side
12,540,525.74x = 81,636,916,102,608.67 - Step 5: Solve for x
x = 81,636,916,102,608.67/12,540,525.74 - Step 6: Final answer
x = 6,509,847.98
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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.