Finding the Fourth Proportional to 29,122,967.20, 43,684,450.80 and 19,542,935.20
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Solution
The fourth proportional to 29,122,967.20, 43,684,450.80 and 19,542,935.20 is: 29,314,402.80
Step by Step Solution
- Step 1: Write the proportion equation
29,122,967.20 : 43,684,450.80 = 19,542,935.20 : x - Step 2: Convert to fraction form
29,122,967.20/43,684,450.80 = 19,542,935.20/x - Step 3: Cross multiply
29,122,967.20x = 43,684,450.80 × 19,542,935.20 - Step 4: Simplify right side
29,122,967.20x = 853,722,391,231,988.12 - Step 5: Solve for x
x = 853,722,391,231,988.12/29,122,967.20 - Step 6: Final answer
x = 29,314,402.80
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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.