Finding the Fourth Proportional to 7,664,385.36, 11,496,579.84 and 3,117,907.68
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Solution
The fourth proportional to 7,664,385.36, 11,496,579.84 and 3,117,907.68 is: 4,676,862.25
Step by Step Solution
- Step 1: Write the proportion equation
7,664,385.36 : 11,496,579.84 = 3,117,907.68 : x - Step 2: Convert to fraction form
7,664,385.36/11,496,579.84 = 3,117,907.68/x - Step 3: Cross multiply
7,664,385.36x = 11,496,579.84 × 3,117,907.68 - Step 4: Simplify right side
7,664,385.36x = 35,845,274,576,869.17 - Step 5: Solve for x
x = 35,845,274,576,869.17/7,664,385.36 - Step 6: Final answer
x = 4,676,862.25
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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.