Finding the Fourth Proportional to 11,892,408.24, 16,411,248 and 6,930,533.28
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Solution
The fourth proportional to 11,892,408.24, 16,411,248 and 6,930,533.28 is: 9,563,975.45
Step by Step Solution
- Step 1: Write the proportion equation
11,892,408.24 : 16,411,248 = 6,930,533.28 : x - Step 2: Convert to fraction form
11,892,408.24/16,411,248 = 6,930,533.28/x - Step 3: Cross multiply
11,892,408.24x = 16,411,248 × 6,930,533.28 - Step 4: Simplify right side
11,892,408.24x = 113,738,700,430,333.44 - Step 5: Solve for x
x = 113,738,700,430,333.44/11,892,408.24 - Step 6: Final answer
x = 9,563,975.45
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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.