Finding the Fourth Proportional to 13,498,081.44, 18,627,353.36 and 7,386,510.24
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Solution
The fourth proportional to 13,498,081.44, 18,627,353.36 and 7,386,510.24 is: 10,193,384.66
Step by Step Solution
- Step 1: Write the proportion equation
13,498,081.44 : 18,627,353.36 = 7,386,510.24 : x - Step 2: Convert to fraction form
13,498,081.44/18,627,353.36 = 7,386,510.24/x - Step 3: Cross multiply
13,498,081.44x = 18,627,353.36 × 7,386,510.24 - Step 4: Simplify right side
13,498,081.44x = 137,591,136,337,738.41 - Step 5: Solve for x
x = 137,591,136,337,738.41/13,498,081.44 - Step 6: Final answer
x = 10,193,384.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.