Finding the Fourth Proportional to 28,474,850.84, 39,298,745.58 and 16,085,466.68
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Solution
The fourth proportional to 28,474,850.84, 39,298,745.58 and 16,085,466.68 is: 22,199,893.73
Step by Step Solution
- Step 1: Write the proportion equation
28,474,850.84 : 39,298,745.58 = 16,085,466.68 : x - Step 2: Convert to fraction form
28,474,850.84/39,298,745.58 = 16,085,466.68/x - Step 3: Cross multiply
28,474,850.84x = 39,298,745.58 × 16,085,466.68 - Step 4: Simplify right side
28,474,850.84x = 632,138,662,592,887.25 - Step 5: Solve for x
x = 632,138,662,592,887.25/28,474,850.84 - Step 6: Final answer
x = 22,199,893.73
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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.