Finding the Fourth Proportional to 11,112,933.98, 15,338,231.27 and 6,763,421.09
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Solution
The fourth proportional to 11,112,933.98, 15,338,231.27 and 6,763,421.09 is: 9,334,971.03
Step by Step Solution
- Step 1: Write the proportion equation
11,112,933.98 : 15,338,231.27 = 6,763,421.09 : x - Step 2: Convert to fraction form
11,112,933.98/15,338,231.27 = 6,763,421.09/x - Step 3: Cross multiply
11,112,933.98x = 15,338,231.27 × 6,763,421.09 - Step 4: Simplify right side
11,112,933.98x = 103,738,916,744,307.22 - Step 5: Solve for x
x = 103,738,916,744,307.22/11,112,933.98 - Step 6: Final answer
x = 9,334,971.03
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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.