Finding the Fourth Proportional to 47,910,794.78, 71,837,408.18 and 18,729,877.95
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Solution
The fourth proportional to 47,910,794.78, 71,837,408.18 and 18,729,877.95 is: 28,083,564.33
Step by Step Solution
- Step 1: Write the proportion equation
47,910,794.78 : 71,837,408.18 = 18,729,877.95 : x - Step 2: Convert to fraction form
47,910,794.78/71,837,408.18 = 18,729,877.95/x - Step 3: Cross multiply
47,910,794.78x = 71,837,408.18 × 18,729,877.95 - Step 4: Simplify right side
47,910,794.78x = 1,345,505,887,282,977.25 - Step 5: Solve for x
x = 1,345,505,887,282,977.25/47,910,794.78 - Step 6: Final answer
x = 28,083,564.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.