Finding the Fourth Proportional to 7,559,344.80, 11,339,017.20 and 3,074,839.20
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Solution
The fourth proportional to 7,559,344.80, 11,339,017.20 and 3,074,839.20 is: 4,612,258.80
Step by Step Solution
- Step 1: Write the proportion equation
7,559,344.80 : 11,339,017.20 = 3,074,839.20 : x - Step 2: Convert to fraction form
7,559,344.80/11,339,017.20 = 3,074,839.20/x - Step 3: Cross multiply
7,559,344.80x = 11,339,017.20 × 3,074,839.20 - Step 4: Simplify right side
7,559,344.80x = 34,865,654,576,034.24 - Step 5: Solve for x
x = 34,865,654,576,034.24/7,559,344.80 - Step 6: Final answer
x = 4,612,258.80
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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.