Finding the Fourth Proportional to 51,651,762.90, 71,282,655.09 and 28,446,883.98
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Solution
The fourth proportional to 51,651,762.90, 71,282,655.09 and 28,446,883.98 is: 39,258,474.55
Step by Step Solution
- Step 1: Write the proportion equation
51,651,762.90 : 71,282,655.09 = 28,446,883.98 : x - Step 2: Convert to fraction form
51,651,762.90/71,282,655.09 = 28,446,883.98/x - Step 3: Cross multiply
51,651,762.90x = 71,282,655.09 × 28,446,883.98 - Step 4: Simplify right side
51,651,762.90x = 2,027,769,419,131,586.50 - Step 5: Solve for x
x = 2,027,769,419,131,586.50/51,651,762.90 - Step 6: Final answer
x = 39,258,474.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.