Finding the Fourth Proportional to 13,260,576.80, 19,879,201.20 and 8,986,887.20
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Solution
The fourth proportional to 13,260,576.80, 19,879,201.20 and 8,986,887.20 is: 13,472,425.94
Step by Step Solution
- Step 1: Write the proportion equation
13,260,576.80 : 19,879,201.20 = 8,986,887.20 : x - Step 2: Convert to fraction form
13,260,576.80/19,879,201.20 = 8,986,887.20/x - Step 3: Cross multiply
13,260,576.80x = 19,879,201.20 × 8,986,887.20 - Step 4: Simplify right side
13,260,576.80x = 178,652,138,810,504.62 - Step 5: Solve for x
x = 178,652,138,810,504.62/13,260,576.80 - Step 6: Final answer
x = 13,472,425.94
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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.