Finding the Fourth Proportional to 8,002,557.99, 12,006,084.58 and 3,213,610.28
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Solution
The fourth proportional to 8,002,557.99, 12,006,084.58 and 3,213,610.28 is: 4,821,317.99
Step by Step Solution
- Step 1: Write the proportion equation
8,002,557.99 : 12,006,084.58 = 3,213,610.28 : x - Step 2: Convert to fraction form
8,002,557.99/12,006,084.58 = 3,213,610.28/x - Step 3: Cross multiply
8,002,557.99x = 12,006,084.58 × 3,213,610.28 - Step 4: Simplify right side
8,002,557.99x = 38,582,876,772,028.74 - Step 5: Solve for x
x = 38,582,876,772,028.74/8,002,557.99 - Step 6: Final answer
x = 4,821,317.99
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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.