Finding the Fourth Proportional to 21,410,608.41, 29,545,848.18 and 11,620,842.30
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Solution
The fourth proportional to 21,410,608.41, 29,545,848.18 and 11,620,842.30 is: 16,036,332.82
Step by Step Solution
- Step 1: Write the proportion equation
21,410,608.41 : 29,545,848.18 = 11,620,842.30 : x - Step 2: Convert to fraction form
21,410,608.41/29,545,848.18 = 11,620,842.30/x - Step 3: Cross multiply
21,410,608.41x = 29,545,848.18 × 11,620,842.30 - Step 4: Simplify right side
21,410,608.41x = 343,347,642,319,522.06 - Step 5: Solve for x
x = 343,347,642,319,522.06/21,410,608.41 - Step 6: Final answer
x = 16,036,332.82
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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.