Finding the Fourth Proportional to 10,448,706.70, 15,673,060.05 and 2,772,336.70
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Solution
The fourth proportional to 10,448,706.70, 15,673,060.05 and 2,772,336.70 is: 4,158,505.05
Step by Step Solution
- Step 1: Write the proportion equation
10,448,706.70 : 15,673,060.05 = 2,772,336.70 : x - Step 2: Convert to fraction form
10,448,706.70/15,673,060.05 = 2,772,336.70/x - Step 3: Cross multiply
10,448,706.70x = 15,673,060.05 × 2,772,336.70 - Step 4: Simplify right side
10,448,706.70x = 43,450,999,577,918.84 - Step 5: Solve for x
x = 43,450,999,577,918.84/10,448,706.70 - Step 6: Final answer
x = 4,158,505.05
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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.