Finding the Fourth Proportional to 14,592,558.24, 20,137,734.71 and 7,977,175.45
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Solution
The fourth proportional to 14,592,558.24, 20,137,734.71 and 7,977,175.45 is: 11,008,504.49
Step by Step Solution
- Step 1: Write the proportion equation
14,592,558.24 : 20,137,734.71 = 7,977,175.45 : x - Step 2: Convert to fraction form
14,592,558.24/20,137,734.71 = 7,977,175.45/x - Step 3: Cross multiply
14,592,558.24x = 20,137,734.71 × 7,977,175.45 - Step 4: Simplify right side
14,592,558.24x = 160,642,242,886,909.03 - Step 5: Solve for x
x = 160,642,242,886,909.03/14,592,558.24 - Step 6: Final answer
x = 11,008,504.49
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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.