Finding the Fourth Proportional to 62,906,827.20, 94,360,240.80 and 20,356,555.20
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Solution
The fourth proportional to 62,906,827.20, 94,360,240.80 and 20,356,555.20 is: 30,534,832.80
Step by Step Solution
- Step 1: Write the proportion equation
62,906,827.20 : 94,360,240.80 = 20,356,555.20 : x - Step 2: Convert to fraction form
62,906,827.20/94,360,240.80 = 20,356,555.20/x - Step 3: Cross multiply
62,906,827.20x = 94,360,240.80 × 20,356,555.20 - Step 4: Simplify right side
62,906,827.20x = 1,920,849,450,530,492 - Step 5: Solve for x
x = 1,920,849,450,530,492/62,906,827.20 - Step 6: Final answer
x = 30,534,832.80
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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.