Finding the Fourth Proportional to 11,290,663.14, 15,577,682.41 and 6,395,107.38
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Solution
The fourth proportional to 11,290,663.14, 15,577,682.41 and 6,395,107.38 is: 8,823,303.86
Step by Step Solution
- Step 1: Write the proportion equation
11,290,663.14 : 15,577,682.41 = 6,395,107.38 : x - Step 2: Convert to fraction form
11,290,663.14/15,577,682.41 = 6,395,107.38/x - Step 3: Cross multiply
11,290,663.14x = 15,577,682.41 × 6,395,107.38 - Step 4: Simplify right side
11,290,663.14x = 99,620,951,665,598.78 - Step 5: Solve for x
x = 99,620,951,665,598.78/11,290,663.14 - Step 6: Final answer
x = 8,823,303.86
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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.