Finding the Fourth Proportional to 7,128,849.68, 10,695,267.48 and 2,339,907.92
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Solution
The fourth proportional to 7,128,849.68, 10,695,267.48 and 2,339,907.92 is: 3,510,516.03
Step by Step Solution
- Step 1: Write the proportion equation
7,128,849.68 : 10,695,267.48 = 2,339,907.92 : x - Step 2: Convert to fraction form
7,128,849.68/10,695,267.48 = 2,339,907.92/x - Step 3: Cross multiply
7,128,849.68x = 10,695,267.48 × 2,339,907.92 - Step 4: Simplify right side
7,128,849.68x = 25,025,941,082,970.44 - Step 5: Solve for x
x = 25,025,941,082,970.44/7,128,849.68 - Step 6: Final answer
x = 3,510,516.03
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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.