Finding the Fourth Proportional to 14,490,915.84, 21,736,373.76 and 5,392,777.12
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Solution
The fourth proportional to 14,490,915.84, 21,736,373.76 and 5,392,777.12 is: 8,089,165.68
Step by Step Solution
- Step 1: Write the proportion equation
14,490,915.84 : 21,736,373.76 = 5,392,777.12 : x - Step 2: Convert to fraction form
14,490,915.84/21,736,373.76 = 5,392,777.12/x - Step 3: Cross multiply
14,490,915.84x = 21,736,373.76 × 5,392,777.12 - Step 4: Simplify right side
14,490,915.84x = 117,219,419,084,696.38 - Step 5: Solve for x
x = 117,219,419,084,696.38/14,490,915.84 - Step 6: Final answer
x = 8,089,165.68
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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.