Finding the Fourth Proportional to 7,863,810.32, 11,797,775.68 and 2,472,242.96
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Solution
The fourth proportional to 7,863,810.32, 11,797,775.68 and 2,472,242.96 is: 3,709,012.13
Step by Step Solution
- Step 1: Write the proportion equation
7,863,810.32 : 11,797,775.68 = 2,472,242.96 : x - Step 2: Convert to fraction form
7,863,810.32/11,797,775.68 = 2,472,242.96/x - Step 3: Cross multiply
7,863,810.32x = 11,797,775.68 × 2,472,242.96 - Step 4: Simplify right side
7,863,810.32x = 29,166,967,868,539.21 - Step 5: Solve for x
x = 29,166,967,868,539.21/7,863,810.32 - Step 6: Final answer
x = 3,709,012.13
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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.