Finding the Fourth Proportional to 11,544,920, 15,933,671.08 and 6,649,189.28
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Solution
The fourth proportional to 11,544,920, 15,933,671.08 and 6,649,189.28 is: 9,176,849.64
Step by Step Solution
- Step 1: Write the proportion equation
11,544,920 : 15,933,671.08 = 6,649,189.28 : x - Step 2: Convert to fraction form
11,544,920/15,933,671.08 = 6,649,189.28/x - Step 3: Cross multiply
11,544,920x = 15,933,671.08 × 6,649,189.28 - Step 4: Simplify right side
11,544,920x = 105,945,994,936,182.03 - Step 5: Solve for x
x = 105,945,994,936,182.03/11,544,920 - Step 6: Final answer
x = 9,176,849.64
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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.