Finding the Fourth Proportional to 28,477,376.41, 39,296,739.25 and 16,717,122.29
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Solution
The fourth proportional to 28,477,376.41, 39,296,739.25 and 16,717,122.29 is: 23,068,431.09
Step by Step Solution
- Step 1: Write the proportion equation
28,477,376.41 : 39,296,739.25 = 16,717,122.29 : x - Step 2: Convert to fraction form
28,477,376.41/39,296,739.25 = 16,717,122.29/x - Step 3: Cross multiply
28,477,376.41x = 39,296,739.25 × 16,717,122.29 - Step 4: Simplify right side
28,477,376.41x = 656,928,395,444,009.25 - Step 5: Solve for x
x = 656,928,395,444,009.25/28,477,376.41 - Step 6: Final answer
x = 23,068,431.09
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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.