Finding the Fourth Proportional to 7,880,902.74, 11,821,354.11 and 6,086,403.63
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Solution
The fourth proportional to 7,880,902.74, 11,821,354.11 and 6,086,403.63 is: 9,129,605.45
Step by Step Solution
- Step 1: Write the proportion equation
7,880,902.74 : 11,821,354.11 = 6,086,403.63 : x - Step 2: Convert to fraction form
7,880,902.74/11,821,354.11 = 6,086,403.63/x - Step 3: Cross multiply
7,880,902.74x = 11,821,354.11 × 6,086,403.63 - Step 4: Simplify right side
7,880,902.74x = 71,949,532,566,619.42 - Step 5: Solve for x
x = 71,949,532,566,619.42/7,880,902.74 - Step 6: Final answer
x = 9,129,605.45
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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.