Finding the Fourth Proportional to 11,559,386.80, 17,339,121.20 and 3,882,812.07
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Solution
The fourth proportional to 11,559,386.80, 17,339,121.20 and 3,882,812.07 is: 5,824,231.88
Step by Step Solution
- Step 1: Write the proportion equation
11,559,386.80 : 17,339,121.20 = 3,882,812.07 : x - Step 2: Convert to fraction form
11,559,386.80/17,339,121.20 = 3,882,812.07/x - Step 3: Cross multiply
11,559,386.80x = 17,339,121.20 × 3,882,812.07 - Step 4: Simplify right side
11,559,386.80x = 67,324,549,088,259.91 - Step 5: Solve for x
x = 67,324,549,088,259.91/11,559,386.80 - Step 6: Final answer
x = 5,824,231.88
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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.