Finding the Fourth Proportional to 11,830,888.38, 17,744,556.50 and 3,742,813.09
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Solution
The fourth proportional to 11,830,888.38, 17,744,556.50 and 3,742,813.09 is: 5,613,657.76
Step by Step Solution
- Step 1: Write the proportion equation
11,830,888.38 : 17,744,556.50 = 3,742,813.09 : x - Step 2: Convert to fraction form
11,830,888.38/17,744,556.50 = 3,742,813.09/x - Step 3: Cross multiply
11,830,888.38x = 17,744,556.50 × 3,742,813.09 - Step 4: Simplify right side
11,830,888.38x = 66,414,558,361,946.77 - Step 5: Solve for x
x = 66,414,558,361,946.77/11,830,888.38 - Step 6: Final answer
x = 5,613,657.76
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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.