Finding the Fourth Proportional to 11,180,208.78, 15,428,595.38 and 6,285,452.70
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Solution
The fourth proportional to 11,180,208.78, 15,428,595.38 and 6,285,452.70 is: 8,673,872.59
Step by Step Solution
- Step 1: Write the proportion equation
11,180,208.78 : 15,428,595.38 = 6,285,452.70 : x - Step 2: Convert to fraction form
11,180,208.78/15,428,595.38 = 6,285,452.70/x - Step 3: Cross multiply
11,180,208.78x = 15,428,595.38 × 6,285,452.70 - Step 4: Simplify right side
11,180,208.78x = 96,975,706,457,001.27 - Step 5: Solve for x
x = 96,975,706,457,001.27/11,180,208.78 - Step 6: Final answer
x = 8,673,872.59
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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.