Finding the Fourth Proportional to 22,306,124.20, 33,384,536.70 and 15,587,660.20
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Solution
The fourth proportional to 22,306,124.20, 33,384,536.70 and 15,587,660.20 is: 23,329,324.69
Step by Step Solution
- Step 1: Write the proportion equation
22,306,124.20 : 33,384,536.70 = 15,587,660.20 : x - Step 2: Convert to fraction form
22,306,124.20/33,384,536.70 = 15,587,660.20/x - Step 3: Cross multiply
22,306,124.20x = 33,384,536.70 × 15,587,660.20 - Step 4: Simplify right side
22,306,124.20x = 520,386,814,014,029.31 - Step 5: Solve for x
x = 520,386,814,014,029.31/22,306,124.20 - Step 6: Final answer
x = 23,329,324.69
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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.