Finding the Fourth Proportional to 39,708,481.97, 59,562,769.64 and 12,414,917.79
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Solution
The fourth proportional to 39,708,481.97, 59,562,769.64 and 12,414,917.79 is: 18,622,391.28
Step by Step Solution
- Step 1: Write the proportion equation
39,708,481.97 : 59,562,769.64 = 12,414,917.79 : x - Step 2: Convert to fraction form
39,708,481.97/59,562,769.64 = 12,414,917.79/x - Step 3: Cross multiply
39,708,481.97x = 59,562,769.64 × 12,414,917.79 - Step 4: Simplify right side
39,708,481.97x = 739,466,888,363,233.25 - Step 5: Solve for x
x = 739,466,888,363,233.25/39,708,481.97 - Step 6: Final answer
x = 18,622,391.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.