Finding the Fourth Proportional to 15,967,448.40, 22,035,102.60 and 9,091,936.08
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Solution
The fourth proportional to 15,967,448.40, 22,035,102.60 and 9,091,936.08 is: 12,546,885.35
Step by Step Solution
- Step 1: Write the proportion equation
15,967,448.40 : 22,035,102.60 = 9,091,936.08 : x - Step 2: Convert to fraction form
15,967,448.40/22,035,102.60 = 9,091,936.08/x - Step 3: Cross multiply
15,967,448.40x = 22,035,102.60 × 9,091,936.08 - Step 4: Simplify right side
15,967,448.40x = 200,341,744,355,441.81 - Step 5: Solve for x
x = 200,341,744,355,441.81/15,967,448.40 - Step 6: Final answer
x = 12,546,885.35
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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.