Finding the Fourth Proportional to 11,420,950.31, 17,135,911.55 and 5,026,719.99
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Solution
The fourth proportional to 11,420,950.31, 17,135,911.55 and 5,026,719.99 is: 7,542,054.45
Step by Step Solution
- Step 1: Write the proportion equation
11,420,950.31 : 17,135,911.55 = 5,026,719.99 : x - Step 2: Convert to fraction form
11,420,950.31/17,135,911.55 = 5,026,719.99/x - Step 3: Cross multiply
11,420,950.31x = 17,135,911.55 × 5,026,719.99 - Step 4: Simplify right side
11,420,950.31x = 86,137,429,135,256.89 - Step 5: Solve for x
x = 86,137,429,135,256.89/11,420,950.31 - Step 6: Final answer
x = 7,542,054.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.