Finding the Fourth Proportional to 12,484,800.75, 18,727,201.14 and 3,509,352.75
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Solution
The fourth proportional to 12,484,800.75, 18,727,201.14 and 3,509,352.75 is: 5,264,029.13
Step by Step Solution
- Step 1: Write the proportion equation
12,484,800.75 : 18,727,201.14 = 3,509,352.75 : x - Step 2: Convert to fraction form
12,484,800.75/18,727,201.14 = 3,509,352.75/x - Step 3: Cross multiply
12,484,800.75x = 18,727,201.14 × 3,509,352.75 - Step 4: Simplify right side
12,484,800.75x = 65,720,354,820,462.14 - Step 5: Solve for x
x = 65,720,354,820,462.14/12,484,800.75 - Step 6: Final answer
x = 5,264,029.13
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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.