Finding the Fourth Proportional to 13,244,323.64, 18,277,070.88 and 7,363,912.26
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Solution
The fourth proportional to 13,244,323.64, 18,277,070.88 and 7,363,912.26 is: 10,162,145.69
Step by Step Solution
- Step 1: Write the proportion equation
13,244,323.64 : 18,277,070.88 = 7,363,912.26 : x - Step 2: Convert to fraction form
13,244,323.64/18,277,070.88 = 7,363,912.26/x - Step 3: Cross multiply
13,244,323.64x = 18,277,070.88 × 7,363,912.26 - Step 4: Simplify right side
13,244,323.64x = 134,590,746,330,120.98 - Step 5: Solve for x
x = 134,590,746,330,120.98/13,244,323.64 - Step 6: Final answer
x = 10,162,145.69
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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.