Finding the Fourth Proportional to 10,368,736.20, 15,548,438.70 and 3,976,864.20
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Solution
The fourth proportional to 10,368,736.20, 15,548,438.70 and 3,976,864.20 is: 5,963,506.84
Step by Step Solution
- Step 1: Write the proportion equation
10,368,736.20 : 15,548,438.70 = 3,976,864.20 : x - Step 2: Convert to fraction form
10,368,736.20/15,548,438.70 = 3,976,864.20/x - Step 3: Cross multiply
10,368,736.20x = 15,548,438.70 × 3,976,864.20 - Step 4: Simplify right side
10,368,736.20x = 61,834,029,231,924.54 - Step 5: Solve for x
x = 61,834,029,231,924.54/10,368,736.20 - Step 6: Final answer
x = 5,963,506.84
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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.