Finding the Fourth Proportional to 8,393,309.20, 12,593,074.20 and 2,713,718.80
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Solution
The fourth proportional to 8,393,309.20, 12,593,074.20 and 2,713,718.80 is: 4,071,583.85
Step by Step Solution
- Step 1: Write the proportion equation
8,393,309.20 : 12,593,074.20 = 2,713,718.80 : x - Step 2: Convert to fraction form
8,393,309.20/12,593,074.20 = 2,713,718.80/x - Step 3: Cross multiply
8,393,309.20x = 12,593,074.20 × 2,713,718.80 - Step 4: Simplify right side
8,393,309.20x = 34,174,062,206,334.96 - Step 5: Solve for x
x = 34,174,062,206,334.96/8,393,309.20 - Step 6: Final answer
x = 4,071,583.85
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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.