Finding the Fourth Proportional to 7,214,322.12, 9,955,873.26 and 3,951,438.54
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Solution
The fourth proportional to 7,214,322.12, 9,955,873.26 and 3,951,438.54 is: 5,453,044.74
Step by Step Solution
- Step 1: Write the proportion equation
7,214,322.12 : 9,955,873.26 = 3,951,438.54 : x - Step 2: Convert to fraction form
7,214,322.12/9,955,873.26 = 3,951,438.54/x - Step 3: Cross multiply
7,214,322.12x = 9,955,873.26 × 3,951,438.54 - Step 4: Simplify right side
7,214,322.12x = 39,340,021,298,919.44 - Step 5: Solve for x
x = 39,340,021,298,919.44/7,214,322.12 - Step 6: Final answer
x = 5,453,044.74
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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.