Finding the Fourth Proportional to 18,571,394.07, 27,831,142.35 and 15,824,598.62
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Solution
The fourth proportional to 18,571,394.07, 27,831,142.35 and 15,824,598.62 is: 23,714,787.11
Step by Step Solution
- Step 1: Write the proportion equation
18,571,394.07 : 27,831,142.35 = 15,824,598.62 : x - Step 2: Convert to fraction form
18,571,394.07/27,831,142.35 = 15,824,598.62/x - Step 3: Cross multiply
18,571,394.07x = 27,831,142.35 × 15,824,598.62 - Step 4: Simplify right side
18,571,394.07x = 440,416,656,685,677.88 - Step 5: Solve for x
x = 440,416,656,685,677.88/18,571,394.07 - Step 6: Final answer
x = 23,714,787.11
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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.