Finding the Fourth Proportional to 48,577,761.42, 72,855,893.70 and 14,026,663.38
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Solution
The fourth proportional to 48,577,761.42, 72,855,893.70 and 14,026,663.38 is: 21,036,891.50
Step by Step Solution
- Step 1: Write the proportion equation
48,577,761.42 : 72,855,893.70 = 14,026,663.38 : x - Step 2: Convert to fraction form
48,577,761.42/72,855,893.70 = 14,026,663.38/x - Step 3: Cross multiply
48,577,761.42x = 72,855,893.70 × 14,026,663.38 - Step 4: Simplify right side
48,577,761.42x = 1,021,925,096,178,962.75 - Step 5: Solve for x
x = 1,021,925,096,178,962.75/48,577,761.42 - Step 6: Final answer
x = 21,036,891.50
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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.