Finding the Fourth Proportional to 16,470,287.20, 24,715,136.40 and 6,884,927.20
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Solution
The fourth proportional to 16,470,287.20, 24,715,136.40 and 6,884,927.20 is: 10,331,447.95
Step by Step Solution
- Step 1: Write the proportion equation
16,470,287.20 : 24,715,136.40 = 6,884,927.20 : x - Step 2: Convert to fraction form
16,470,287.20/24,715,136.40 = 6,884,927.20/x - Step 3: Cross multiply
16,470,287.20x = 24,715,136.40 × 6,884,927.20 - Step 4: Simplify right side
16,470,287.20x = 170,161,914,852,070.06 - Step 5: Solve for x
x = 170,161,914,852,070.06/16,470,287.20 - Step 6: Final answer
x = 10,331,447.95
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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.