Finding the Fourth Proportional to 8,752,646.24, 12,069,129.84 and 5,691,183.20
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Solution
The fourth proportional to 8,752,646.24, 12,069,129.84 and 5,691,183.20 is: 7,847,641.40
Step by Step Solution
- Step 1: Write the proportion equation
8,752,646.24 : 12,069,129.84 = 5,691,183.20 : x - Step 2: Convert to fraction form
8,752,646.24/12,069,129.84 = 5,691,183.20/x - Step 3: Cross multiply
8,752,646.24x = 12,069,129.84 × 5,691,183.20 - Step 4: Simplify right side
8,752,646.24x = 68,687,628,984,026.69 - Step 5: Solve for x
x = 68,687,628,984,026.69/8,752,646.24 - Step 6: Final answer
x = 7,847,641.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.