Finding the Fourth Proportional to 10,361,209.70, 15,555,811.35 and 6,582,073.70
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Solution
The fourth proportional to 10,361,209.70, 15,555,811.35 and 6,582,073.70 is: 9,882,002.17
Step by Step Solution
- Step 1: Write the proportion equation
10,361,209.70 : 15,555,811.35 = 6,582,073.70 : x - Step 2: Convert to fraction form
10,361,209.70/15,555,811.35 = 6,582,073.70/x - Step 3: Cross multiply
10,361,209.70x = 15,555,811.35 × 6,582,073.70 - Step 4: Simplify right side
10,361,209.70x = 102,389,496,768,996.50 - Step 5: Solve for x
x = 102,389,496,768,996.50/10,361,209.70 - Step 6: Final answer
x = 9,882,002.17
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1.5x scale
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.