Finding the Fourth Proportional to 22,768,274.52, 31,420,260.18 and 12,454,997.62
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Solution
The fourth proportional to 22,768,274.52, 31,420,260.18 and 12,454,997.62 is: 17,187,919.33
Step by Step Solution
- Step 1: Write the proportion equation
22,768,274.52 : 31,420,260.18 = 12,454,997.62 : x - Step 2: Convert to fraction form
22,768,274.52/31,420,260.18 = 12,454,997.62/x - Step 3: Cross multiply
22,768,274.52x = 31,420,260.18 × 12,454,997.62 - Step 4: Simplify right side
22,768,274.52x = 391,339,265,761,680.75 - Step 5: Solve for x
x = 391,339,265,761,680.75/22,768,274.52 - Step 6: Final answer
x = 17,187,919.33
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1.5x scale
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.