Finding the Fourth Proportional to 7,624,812.63, 11,437,586.78 and 2,507,129.21
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Solution
The fourth proportional to 7,624,812.63, 11,437,586.78 and 2,507,129.21 is: 3,760,814.76
Step by Step Solution
- Step 1: Write the proportion equation
7,624,812.63 : 11,437,586.78 = 2,507,129.21 : x - Step 2: Convert to fraction form
7,624,812.63/11,437,586.78 = 2,507,129.21/x - Step 3: Cross multiply
7,624,812.63x = 11,437,586.78 × 2,507,129.21 - Step 4: Simplify right side
7,624,812.63x = 28,675,507,924,106.16 - Step 5: Solve for x
x = 28,675,507,924,106.16/7,624,812.63 - Step 6: Final answer
x = 3,760,814.76
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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.