Finding the Fourth Proportional to 18,601,089.21, 27,902,263.25 and 6,470,657.46
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Solution
The fourth proportional to 18,601,089.21, 27,902,263.25 and 6,470,657.46 is: 9,706,205.15
Step by Step Solution
- Step 1: Write the proportion equation
18,601,089.21 : 27,902,263.25 = 6,470,657.46 : x - Step 2: Convert to fraction form
18,601,089.21/27,902,263.25 = 6,470,657.46/x - Step 3: Cross multiply
18,601,089.21x = 27,902,263.25 × 6,470,657.46 - Step 4: Simplify right side
18,601,089.21x = 180,545,987,865,673 - Step 5: Solve for x
x = 180,545,987,865,673/18,601,089.21 - Step 6: Final answer
x = 9,706,205.15
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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.