Finding the Fourth Proportional to 7,923,389.14, 11,874,440.31 and 4,323,762.10
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Solution
The fourth proportional to 7,923,389.14, 11,874,440.31 and 4,323,762.10 is: 6,479,835.09
Step by Step Solution
- Step 1: Write the proportion equation
7,923,389.14 : 11,874,440.31 = 4,323,762.10 : x - Step 2: Convert to fraction form
7,923,389.14/11,874,440.31 = 4,323,762.10/x - Step 3: Cross multiply
7,923,389.14x = 11,874,440.31 × 4,323,762.10 - Step 4: Simplify right side
7,923,389.14x = 51,342,254,971,090.25 - Step 5: Solve for x
x = 51,342,254,971,090.25/7,923,389.14 - Step 6: Final answer
x = 6,479,835.09
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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.