Finding the Fourth Proportional to 21,386,235.42, 32,066,542.26 and 6,806,857.40
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Solution
The fourth proportional to 21,386,235.42, 32,066,542.26 and 6,806,857.40 is: 10,206,208.63
Step by Step Solution
- Step 1: Write the proportion equation
21,386,235.42 : 32,066,542.26 = 6,806,857.40 : x - Step 2: Convert to fraction form
21,386,235.42/32,066,542.26 = 6,806,857.40/x - Step 3: Cross multiply
21,386,235.42x = 32,066,542.26 × 6,806,857.40 - Step 4: Simplify right side
21,386,235.42x = 218,272,380,474,893.75 - Step 5: Solve for x
x = 218,272,380,474,893.75/21,386,235.42 - Step 6: Final answer
x = 10,206,208.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.