Finding the Fourth Proportional to 8,406,216.62, 11,600,220.51 and 4,684,849.59
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Solution
The fourth proportional to 8,406,216.62, 11,600,220.51 and 4,684,849.59 is: 6,464,892.68
Step by Step Solution
- Step 1: Write the proportion equation
8,406,216.62 : 11,600,220.51 = 4,684,849.59 : x - Step 2: Convert to fraction form
8,406,216.62/11,600,220.51 = 4,684,849.59/x - Step 3: Cross multiply
8,406,216.62x = 11,600,220.51 × 4,684,849.59 - Step 4: Simplify right side
8,406,216.62x = 54,345,288,300,183.09 - Step 5: Solve for x
x = 54,345,288,300,183.09/8,406,216.62 - Step 6: Final answer
x = 6,464,892.68
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1.5x scale
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.