Finding the Fourth Proportional to 36,849,791.22, 55,281,771.62 and 14,128,916.58
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Solution
The fourth proportional to 36,849,791.22, 55,281,771.62 and 14,128,916.58 is: 21,196,091.31
Step by Step Solution
- Step 1: Write the proportion equation
36,849,791.22 : 55,281,771.62 = 14,128,916.58 : x - Step 2: Convert to fraction form
36,849,791.22/55,281,771.62 = 14,128,916.58/x - Step 3: Cross multiply
36,849,791.22x = 55,281,771.62 × 14,128,916.58 - Step 4: Simplify right side
36,849,791.22x = 781,071,539,613,591.38 - Step 5: Solve for x
x = 781,071,539,613,591.38/36,849,791.22 - Step 6: Final answer
x = 21,196,091.31
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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.