Finding the Fourth Proportional to 13,001,587.70, 17,933,551.79 and 8,361,239.49
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Solution
The fourth proportional to 13,001,587.70, 17,933,551.79 and 8,361,239.49 is: 11,532,954.66
Step by Step Solution
- Step 1: Write the proportion equation
13,001,587.70 : 17,933,551.79 = 8,361,239.49 : x - Step 2: Convert to fraction form
13,001,587.70/17,933,551.79 = 8,361,239.49/x - Step 3: Cross multiply
13,001,587.70x = 17,933,551.79 × 8,361,239.49 - Step 4: Simplify right side
13,001,587.70x = 149,946,721,380,702 - Step 5: Solve for x
x = 149,946,721,380,702/13,001,587.70 - Step 6: Final answer
x = 11,532,954.66
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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.