Finding the Fourth Proportional to 11,361,128.33, 15,678,481.76 and 6,204,641.60
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Solution
The fourth proportional to 11,361,128.33, 15,678,481.76 and 6,204,641.60 is: 8,562,473.49
Step by Step Solution
- Step 1: Write the proportion equation
11,361,128.33 : 15,678,481.76 = 6,204,641.60 : x - Step 2: Convert to fraction form
11,361,128.33/15,678,481.76 = 6,204,641.60/x - Step 3: Cross multiply
11,361,128.33x = 15,678,481.76 × 6,204,641.60 - Step 4: Simplify right side
11,361,128.33x = 97,279,360,043,521.59 - Step 5: Solve for x
x = 97,279,360,043,521.59/11,361,128.33 - Step 6: Final answer
x = 8,562,473.49
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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.