Finding the Fourth Proportional to 8,857,182.96, 12,222,955.34 and 4,989,765.08
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Solution
The fourth proportional to 8,857,182.96, 12,222,955.34 and 4,989,765.08 is: 6,885,899.95
Step by Step Solution
- Step 1: Write the proportion equation
8,857,182.96 : 12,222,955.34 = 4,989,765.08 : x - Step 2: Convert to fraction form
8,857,182.96/12,222,955.34 = 4,989,765.08/x - Step 3: Cross multiply
8,857,182.96x = 12,222,955.34 × 4,989,765.08 - Step 4: Simplify right side
8,857,182.96x = 60,989,675,729,931.53 - Step 5: Solve for x
x = 60,989,675,729,931.53/8,857,182.96 - Step 6: Final answer
x = 6,885,899.95
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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.