Finding the Fourth Proportional to 43,203,679.26, 64,805,584.50 and 17,644,688.66
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Solution
The fourth proportional to 43,203,679.26, 64,805,584.50 and 17,644,688.66 is: 26,467,059.79
Step by Step Solution
- Step 1: Write the proportion equation
43,203,679.26 : 64,805,584.50 = 17,644,688.66 : x - Step 2: Convert to fraction form
43,203,679.26/64,805,584.50 = 17,644,688.66/x - Step 3: Cross multiply
43,203,679.26x = 64,805,584.50 × 17,644,688.66 - Step 4: Simplify right side
43,203,679.26x = 1,143,474,361,931,821.75 - Step 5: Solve for x
x = 1,143,474,361,931,821.75/43,203,679.26 - Step 6: Final answer
x = 26,467,059.79
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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.