Finding the Fourth Proportional to 10,979,394.38, 16,472,533.41 and 6,607,304.21
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Solution
The fourth proportional to 10,979,394.38, 16,472,533.41 and 6,607,304.21 is: 9,913,027.58
Step by Step Solution
- Step 1: Write the proportion equation
10,979,394.38 : 16,472,533.41 = 6,607,304.21 : x - Step 2: Convert to fraction form
10,979,394.38/16,472,533.41 = 6,607,304.21/x - Step 3: Cross multiply
10,979,394.38x = 16,472,533.41 × 6,607,304.21 - Step 4: Simplify right side
10,979,394.38x = 108,839,039,297,782 - Step 5: Solve for x
x = 108,839,039,297,782/10,979,394.38 - Step 6: Final answer
x = 9,913,027.58
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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.