Finding the Fourth Proportional to 11,812,425.26, 17,721,239.09 and 3,615,130.49
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Solution
The fourth proportional to 11,812,425.26, 17,721,239.09 and 3,615,130.49 is: 5,423,491.81
Step by Step Solution
- Step 1: Write the proportion equation
11,812,425.26 : 17,721,239.09 = 3,615,130.49 : x - Step 2: Convert to fraction form
11,812,425.26/17,721,239.09 = 3,615,130.49/x - Step 3: Cross multiply
11,812,425.26x = 17,721,239.09 × 3,615,130.49 - Step 4: Simplify right side
11,812,425.26x = 64,064,591,648,157.01 - Step 5: Solve for x
x = 64,064,591,648,157.01/11,812,425.26 - Step 6: Final answer
x = 5,423,491.81
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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.