Finding the Fourth Proportional to 29,717,548.96, 40,992,842.56 and 18,686,840.80
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Solution
The fourth proportional to 29,717,548.96, 40,992,842.56 and 18,686,840.80 is: 25,776,914.64
Step by Step Solution
- Step 1: Write the proportion equation
29,717,548.96 : 40,992,842.56 = 18,686,840.80 : x - Step 2: Convert to fraction form
29,717,548.96/40,992,842.56 = 18,686,840.80/x - Step 3: Cross multiply
29,717,548.96x = 40,992,842.56 × 18,686,840.80 - Step 4: Simplify right side
29,717,548.96x = 766,026,722,858,184.50 - Step 5: Solve for x
x = 766,026,722,858,184.50/29,717,548.96 - Step 6: Final answer
x = 25,776,914.64
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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.