Finding the Fourth Proportional to 16,180,420.40, 24,239,137.80 and 9,771,635.60
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Solution
The fourth proportional to 16,180,420.40, 24,239,137.80 and 9,771,635.60 is: 14,638,434.35
Step by Step Solution
- Step 1: Write the proportion equation
16,180,420.40 : 24,239,137.80 = 9,771,635.60 : x - Step 2: Convert to fraction form
16,180,420.40/24,239,137.80 = 9,771,635.60/x - Step 3: Cross multiply
16,180,420.40x = 24,239,137.80 × 9,771,635.60 - Step 4: Simplify right side
16,180,420.40x = 236,856,021,839,785.69 - Step 5: Solve for x
x = 236,856,021,839,785.69/16,180,420.40 - Step 6: Final answer
x = 14,638,434.35
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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.