Finding the Fourth Proportional to 51,022,610.46, 76,534,201.44 and 12,684,123.18
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Solution
The fourth proportional to 51,022,610.46, 76,534,201.44 and 12,684,123.18 is: 19,026,255.81
Step by Step Solution
- Step 1: Write the proportion equation
51,022,610.46 : 76,534,201.44 = 12,684,123.18 : x - Step 2: Convert to fraction form
51,022,610.46/76,534,201.44 = 12,684,123.18/x - Step 3: Cross multiply
51,022,610.46x = 76,534,201.44 × 12,684,123.18 - Step 4: Simplify right side
51,022,610.46x = 970,769,238,547,893.38 - Step 5: Solve for x
x = 970,769,238,547,893.38/51,022,610.46 - Step 6: Final answer
x = 19,026,255.81
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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.