Finding the Fourth Proportional to 22,070,867.20, 33,107,337.60 and 6,925,292.80
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Solution
The fourth proportional to 22,070,867.20, 33,107,337.60 and 6,925,292.80 is: 10,388,264.52
Step by Step Solution
- Step 1: Write the proportion equation
22,070,867.20 : 33,107,337.60 = 6,925,292.80 : x - Step 2: Convert to fraction form
22,070,867.20/33,107,337.60 = 6,925,292.80/x - Step 3: Cross multiply
22,070,867.20x = 33,107,337.60 × 6,925,292.80 - Step 4: Simplify right side
22,070,867.20x = 229,278,006,708,449.28 - Step 5: Solve for x
x = 229,278,006,708,449.28/22,070,867.20 - Step 6: Final answer
x = 10,388,264.52
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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.