Finding the Fourth Proportional to 12,484,798.26, 18,727,197.38 and 3,509,350.26
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Solution
The fourth proportional to 12,484,798.26, 18,727,197.38 and 3,509,350.26 is: 5,264,025.39
Step by Step Solution
- Step 1: Write the proportion equation
12,484,798.26 : 18,727,197.38 = 3,509,350.26 : x - Step 2: Convert to fraction form
12,484,798.26/18,727,197.38 = 3,509,350.26/x - Step 3: Cross multiply
12,484,798.26x = 18,727,197.38 × 3,509,350.26 - Step 4: Simplify right side
12,484,798.26x = 65,720,294,994,574.31 - Step 5: Solve for x
x = 65,720,294,994,574.31/12,484,798.26 - Step 6: Final answer
x = 5,264,025.39
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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.