Finding the Fourth Proportional to 29,388,700.70, 44,083,051.05 and 21,830,428.70
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Solution
The fourth proportional to 29,388,700.70, 44,083,051.05 and 21,830,428.70 is: 32,745,643.05
Step by Step Solution
- Step 1: Write the proportion equation
29,388,700.70 : 44,083,051.05 = 21,830,428.70 : x - Step 2: Convert to fraction form
29,388,700.70/44,083,051.05 = 21,830,428.70/x - Step 3: Cross multiply
29,388,700.70x = 44,083,051.05 × 21,830,428.70 - Step 4: Simplify right side
29,388,700.70x = 962,351,902,825,485 - Step 5: Solve for x
x = 962,351,902,825,485/29,388,700.70 - Step 6: Final answer
x = 32,745,643.05
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1.5x scale
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.