Finding the Fourth Proportional to 48,746,588.91, 67,271,105.69 and 26,420,287.76
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Solution
The fourth proportional to 48,746,588.91, 67,271,105.69 and 26,420,287.76 is: 36,460,437.75
Step by Step Solution
- Step 1: Write the proportion equation
48,746,588.91 : 67,271,105.69 = 26,420,287.76 : x - Step 2: Convert to fraction form
48,746,588.91/67,271,105.69 = 26,420,287.76/x - Step 3: Cross multiply
48,746,588.91x = 67,271,105.69 × 26,420,287.76 - Step 4: Simplify right side
48,746,588.91x = 1,777,321,970,497,401.75 - Step 5: Solve for x
x = 1,777,321,970,497,401.75/48,746,588.91 - Step 6: Final answer
x = 36,460,437.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.