Finding the Fourth Proportional to 11,301,512.85, 15,595,657.74 and 6,144,878.70
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Solution
The fourth proportional to 11,301,512.85, 15,595,657.74 and 6,144,878.70 is: 8,479,698.81
Step by Step Solution
- Step 1: Write the proportion equation
11,301,512.85 : 15,595,657.74 = 6,144,878.70 : x - Step 2: Convert to fraction form
11,301,512.85/15,595,657.74 = 6,144,878.70/x - Step 3: Cross multiply
11,301,512.85x = 15,595,657.74 × 6,144,878.70 - Step 4: Simplify right side
11,301,512.85x = 95,833,425,059,016.14 - Step 5: Solve for x
x = 95,833,425,059,016.14/11,301,512.85 - Step 6: Final answer
x = 8,479,698.81
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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.