Finding the Fourth Proportional to 7,091,588.24, 10,569,922.24 and 6,687,987.92
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Solution
The fourth proportional to 7,091,588.24, 10,569,922.24 and 6,687,987.92 is: 9,968,361.09
Step by Step Solution
- Step 1: Write the proportion equation
7,091,588.24 : 10,569,922.24 = 6,687,987.92 : x - Step 2: Convert to fraction form
7,091,588.24/10,569,922.24 = 6,687,987.92/x - Step 3: Cross multiply
7,091,588.24x = 10,569,922.24 × 6,687,987.92 - Step 4: Simplify right side
7,091,588.24x = 70,691,512,256,459.34 - Step 5: Solve for x
x = 70,691,512,256,459.34/7,091,588.24 - Step 6: Final answer
x = 9,968,361.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.