Finding the Fourth Proportional to 10,426,735.74, 15,640,072.31 and 2,645,634.96
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Solution
The fourth proportional to 10,426,735.74, 15,640,072.31 and 2,645,634.96 is: 3,968,444.50
Step by Step Solution
- Step 1: Write the proportion equation
10,426,735.74 : 15,640,072.31 = 2,645,634.96 : x - Step 2: Convert to fraction form
10,426,735.74/15,640,072.31 = 2,645,634.96/x - Step 3: Cross multiply
10,426,735.74x = 15,640,072.31 × 2,645,634.96 - Step 4: Simplify right side
10,426,735.74x = 41,377,922,067,035.78 - Step 5: Solve for x
x = 41,377,922,067,035.78/10,426,735.74 - Step 6: Final answer
x = 3,968,444.50
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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.