Finding the Fourth Proportional to 10,203,701.16, 15,300,236.70 and 3,808,694.28
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Solution
The fourth proportional to 10,203,701.16, 15,300,236.70 and 3,808,694.28 is: 5,711,057.50
Step by Step Solution
- Step 1: Write the proportion equation
10,203,701.16 : 15,300,236.70 = 3,808,694.28 : x - Step 2: Convert to fraction form
10,203,701.16/15,300,236.70 = 3,808,694.28/x - Step 3: Cross multiply
10,203,701.16x = 15,300,236.70 × 3,808,694.28 - Step 4: Simplify right side
10,203,701.16x = 58,273,924,001,936.07 - Step 5: Solve for x
x = 58,273,924,001,936.07/10,203,701.16 - Step 6: Final answer
x = 5,711,057.50
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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.