Finding the Fourth Proportional to 18,361,058.66, 27,540,591.30 and 5,580,566.92
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Solution
The fourth proportional to 18,361,058.66, 27,540,591.30 and 5,580,566.92 is: 8,370,547.45
Step by Step Solution
- Step 1: Write the proportion equation
18,361,058.66 : 27,540,591.30 = 5,580,566.92 : x - Step 2: Convert to fraction form
18,361,058.66/27,540,591.30 = 5,580,566.92/x - Step 3: Cross multiply
18,361,058.66x = 27,540,591.30 × 5,580,566.92 - Step 4: Simplify right side
18,361,058.66x = 153,692,112,766,019.81 - Step 5: Solve for x
x = 153,692,112,766,019.81/18,361,058.66 - Step 6: Final answer
x = 8,370,547.45
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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.