Finding the Fourth Proportional to 11,850,137.28, 16,354,519.35 and 6,693,830.91
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Solution
The fourth proportional to 11,850,137.28, 16,354,519.35 and 6,693,830.91 is: 9,238,237.88
Step by Step Solution
- Step 1: Write the proportion equation
11,850,137.28 : 16,354,519.35 = 6,693,830.91 : x - Step 2: Convert to fraction form
11,850,137.28/16,354,519.35 = 6,693,830.91/x - Step 3: Cross multiply
11,850,137.28x = 16,354,519.35 × 6,693,830.91 - Step 4: Simplify right side
11,850,137.28x = 109,474,387,143,223.11 - Step 5: Solve for x
x = 109,474,387,143,223.11/11,850,137.28 - Step 6: Final answer
x = 9,238,237.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.