Finding the Fourth Proportional to 11,028,830.10, 15,215,610.69 and 6,840,577.68
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Solution
The fourth proportional to 11,028,830.10, 15,215,610.69 and 6,840,577.68 is: 9,437,407.77
Step by Step Solution
- Step 1: Write the proportion equation
11,028,830.10 : 15,215,610.69 = 6,840,577.68 : x - Step 2: Convert to fraction form
11,028,830.10/15,215,610.69 = 6,840,577.68/x - Step 3: Cross multiply
11,028,830.10x = 15,215,610.69 × 6,840,577.68 - Step 4: Simplify right side
11,028,830.10x = 104,083,566,873,583.39 - Step 5: Solve for x
x = 104,083,566,873,583.39/11,028,830.10 - Step 6: Final answer
x = 9,437,407.77
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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.