Finding the Fourth Proportional to 23,534,323.68, 32,477,170.74 and 13,220,825.28
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Solution
The fourth proportional to 23,534,323.68, 32,477,170.74 and 13,220,825.28 is: 18,244,628.81
Step by Step Solution
- Step 1: Write the proportion equation
23,534,323.68 : 32,477,170.74 = 13,220,825.28 : x - Step 2: Convert to fraction form
23,534,323.68/32,477,170.74 = 13,220,825.28/x - Step 3: Cross multiply
23,534,323.68x = 32,477,170.74 × 13,220,825.28 - Step 4: Simplify right side
23,534,323.68x = 429,374,999,942,268.25 - Step 5: Solve for x
x = 429,374,999,942,268.25/23,534,323.68 - Step 6: Final answer
x = 18,244,628.81
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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.