Finding the Fourth Proportional to 49,493,170.71, 68,302,128.78 and 28,584,814.95
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Solution
The fourth proportional to 49,493,170.71, 68,302,128.78 and 28,584,814.95 is: 39,447,941.68
Step by Step Solution
- Step 1: Write the proportion equation
49,493,170.71 : 68,302,128.78 = 28,584,814.95 : x - Step 2: Convert to fraction form
49,493,170.71/68,302,128.78 = 28,584,814.95/x - Step 3: Cross multiply
49,493,170.71x = 68,302,128.78 × 28,584,814.95 - Step 4: Simplify right side
49,493,170.71x = 1,952,403,711,867,369.25 - Step 5: Solve for x
x = 1,952,403,711,867,369.25/49,493,170.71 - Step 6: Final answer
x = 39,447,941.68
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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.