Finding the Fourth Proportional to 7,990,504.54, 11,985,980.12 and 2,599,154.99
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Solution
The fourth proportional to 7,990,504.54, 11,985,980.12 and 2,599,154.99 is: 3,898,805.12
Step by Step Solution
- Step 1: Write the proportion equation
7,990,504.54 : 11,985,980.12 = 2,599,154.99 : x - Step 2: Convert to fraction form
7,990,504.54/11,985,980.12 = 2,599,154.99/x - Step 3: Cross multiply
7,990,504.54x = 11,985,980.12 × 2,599,154.99 - Step 4: Simplify right side
7,990,504.54x = 31,153,419,985,506.79 - Step 5: Solve for x
x = 31,153,419,985,506.79/7,990,504.54 - Step 6: Final answer
x = 3,898,805.12
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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.