Finding the Fourth Proportional to 11,628,220.76, 16,046,944.86 and 6,472,800.19
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Solution
The fourth proportional to 11,628,220.76, 16,046,944.86 and 6,472,800.19 is: 8,932,464.38
Step by Step Solution
- Step 1: Write the proportion equation
11,628,220.76 : 16,046,944.86 = 6,472,800.19 : x - Step 2: Convert to fraction form
11,628,220.76/16,046,944.86 = 6,472,800.19/x - Step 3: Cross multiply
11,628,220.76x = 16,046,944.86 × 6,472,800.19 - Step 4: Simplify right side
11,628,220.76x = 103,868,667,738,727.53 - Step 5: Solve for x
x = 103,868,667,738,727.53/11,628,220.76 - Step 6: Final answer
x = 8,932,464.38
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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.