Finding the Fourth Proportional to 13,100,532.21, 19,651,001.98 and 3,879,437.49
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Solution
The fourth proportional to 13,100,532.21, 19,651,001.98 and 3,879,437.49 is: 5,819,216.54
Step by Step Solution
- Step 1: Write the proportion equation
13,100,532.21 : 19,651,001.98 = 3,879,437.49 : x - Step 2: Convert to fraction form
13,100,532.21/19,651,001.98 = 3,879,437.49/x - Step 3: Cross multiply
13,100,532.21x = 19,651,001.98 × 3,879,437.49 - Step 4: Simplify right side
13,100,532.21x = 76,234,833,728,317.25 - Step 5: Solve for x
x = 76,234,833,728,317.25/13,100,532.21 - Step 6: Final answer
x = 5,819,216.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.