Finding the Fourth Proportional to 54,905,964.21, 82,337,972.99 and 18,504,573.93
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Solution
The fourth proportional to 54,905,964.21, 82,337,972.99 and 18,504,573.93 is: 27,749,792.40
Step by Step Solution
- Step 1: Write the proportion equation
54,905,964.21 : 82,337,972.99 = 18,504,573.93 : x - Step 2: Convert to fraction form
54,905,964.21/82,337,972.99 = 18,504,573.93/x - Step 3: Cross multiply
54,905,964.21x = 82,337,972.99 × 18,504,573.93 - Step 4: Simplify right side
54,905,964.21x = 1,523,629,108,347,275.25 - Step 5: Solve for x
x = 1,523,629,108,347,275.25/54,905,964.21 - Step 6: Final answer
x = 27,749,792.40
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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.