Finding the Fourth Proportional to 7,413,761.28, 11,121,557.76 and 2,620,462.08
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Solution
The fourth proportional to 7,413,761.28, 11,121,557.76 and 2,620,462.08 is: 3,931,016.83
Step by Step Solution
- Step 1: Write the proportion equation
7,413,761.28 : 11,121,557.76 = 2,620,462.08 : x - Step 2: Convert to fraction form
7,413,761.28/11,121,557.76 = 2,620,462.08/x - Step 3: Cross multiply
7,413,761.28x = 11,121,557.76 × 2,620,462.08 - Step 4: Simplify right side
7,413,761.28x = 29,143,620,380,609.74 - Step 5: Solve for x
x = 29,143,620,380,609.74/7,413,761.28 - Step 6: Final answer
x = 3,931,016.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.