Finding the Fourth Proportional to 10,930,246.20, 16,395,369.30 and 4,537,207.80
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Solution
The fourth proportional to 10,930,246.20, 16,395,369.30 and 4,537,207.80 is: 6,805,811.70
Step by Step Solution
- Step 1: Write the proportion equation
10,930,246.20 : 16,395,369.30 = 4,537,207.80 : x - Step 2: Convert to fraction form
10,930,246.20/16,395,369.30 = 4,537,207.80/x - Step 3: Cross multiply
10,930,246.20x = 16,395,369.30 × 4,537,207.80 - Step 4: Simplify right side
10,930,246.20x = 74,389,197,471,840.55 - Step 5: Solve for x
x = 74,389,197,471,840.55/10,930,246.20 - Step 6: Final answer
x = 6,805,811.70
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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.