Finding the Fourth Proportional to 10,957,664.14, 15,114,987.97 and 7,236,529.43
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Solution
The fourth proportional to 10,957,664.14, 15,114,987.97 and 7,236,529.43 is: 9,982,059.48
Step by Step Solution
- Step 1: Write the proportion equation
10,957,664.14 : 15,114,987.97 = 7,236,529.43 : x - Step 2: Convert to fraction form
10,957,664.14/15,114,987.97 = 7,236,529.43/x - Step 3: Cross multiply
10,957,664.14x = 15,114,987.97 × 7,236,529.43 - Step 4: Simplify right side
10,957,664.14x = 109,380,055,185,334.69 - Step 5: Solve for x
x = 109,380,055,185,334.69/10,957,664.14 - Step 6: Final answer
x = 9,982,059.48
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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.