Finding the Fourth Proportional to 15,739,997.79, 23,616,858.20 and 5,512,194.62
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Solution
The fourth proportional to 15,739,997.79, 23,616,858.20 and 5,512,194.62 is: 8,270,694.84
Step by Step Solution
- Step 1: Write the proportion equation
15,739,997.79 : 23,616,858.20 = 5,512,194.62 : x - Step 2: Convert to fraction form
15,739,997.79/23,616,858.20 = 5,512,194.62/x - Step 3: Cross multiply
15,739,997.79x = 23,616,858.20 × 5,512,194.62 - Step 4: Simplify right side
15,739,997.79x = 130,180,718,565,697.62 - Step 5: Solve for x
x = 130,180,718,565,697.62/15,739,997.79 - Step 6: Final answer
x = 8,270,694.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.