Finding the Fourth Proportional to 12,552,930.20, 18,829,395.30 and 3,576,315.80
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Solution
The fourth proportional to 12,552,930.20, 18,829,395.30 and 3,576,315.80 is: 5,364,473.70
Step by Step Solution
- Step 1: Write the proportion equation
12,552,930.20 : 18,829,395.30 = 3,576,315.80 : x - Step 2: Convert to fraction form
12,552,930.20/18,829,395.30 = 3,576,315.80/x - Step 3: Cross multiply
12,552,930.20x = 18,829,395.30 × 3,576,315.80 - Step 4: Simplify right side
12,552,930.20x = 67,339,863,915,835.74 - Step 5: Solve for x
x = 67,339,863,915,835.74/12,552,930.20 - Step 6: Final answer
x = 5,364,473.70
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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.