Finding the Fourth Proportional to 21,343,948.68, 29,454,615.11 and 11,554,390.27
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Solution
The fourth proportional to 21,343,948.68, 29,454,615.11 and 11,554,390.27 is: 15,945,040.13
Step by Step Solution
- Step 1: Write the proportion equation
21,343,948.68 : 29,454,615.11 = 11,554,390.27 : x - Step 2: Convert to fraction form
21,343,948.68/29,454,615.11 = 11,554,390.27/x - Step 3: Cross multiply
21,343,948.68x = 29,454,615.11 × 11,554,390.27 - Step 4: Simplify right side
21,343,948.68x = 340,330,118,233,578.94 - Step 5: Solve for x
x = 340,330,118,233,578.94/21,343,948.68 - Step 6: Final answer
x = 15,945,040.13
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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.