Finding the Fourth Proportional to 11,497,639.90, 17,246,459.85 and 9,787,843.30
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Solution
The fourth proportional to 11,497,639.90, 17,246,459.85 and 9,787,843.30 is: 14,681,764.95
Step by Step Solution
- Step 1: Write the proportion equation
11,497,639.90 : 17,246,459.85 = 9,787,843.30 : x - Step 2: Convert to fraction form
11,497,639.90/17,246,459.85 = 9,787,843.30/x - Step 3: Cross multiply
11,497,639.90x = 17,246,459.85 × 9,787,843.30 - Step 4: Simplify right side
11,497,639.90x = 168,805,646,491,541.53 - Step 5: Solve for x
x = 168,805,646,491,541.53/11,497,639.90 - Step 6: Final answer
x = 14,681,764.95
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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.